On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Premier Angler aims to provide general information about some of the top fishing destinations across the country. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Username. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Kiser Lake (Champaign County) - non-powered sailboats permitted. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. An official State of Ohio site. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Go & Do. Bass, walleye muskie and catfish are some of the more popular fish species at Rocky Fork Lake. Also sign me up for tips and deals from the Omnia newsletter. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. During this time of year on Rocky Fork Lake, fish can be found in Fall/Winter patterns. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Buy & Apply. 1862, -83. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Skip to Navigation Skip to Main Content Ohio Department. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. The lake looks like a bass fishing dream, however it gets crushed daily with lots of bass tourneys so its a grind alot of times even when your fishing what looks. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. 24 low. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. BASSIN is a fishing team tournament trail, catering to the weekend angler and our youth. Fishing Forecast. Password. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. Skip to Navigation Skip to Main Content Ohio Department. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. Fishing Forecast. Home;. Fishing Forecast. Fishing Forecast. Discover & Learn. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. The Ohio Department of Natural Resources Division of Parks and Recreation, constructed this 1,992-acre lake for public recreation. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. An official State of Ohio site. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Stump Lake (Punderson State Park) - non-powered sailboats permitted. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Here’s how you know. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Ohio offers many fantastic locations for the public to fish, including 124,000 acres of inland water, 7,000 miles of streams, 2. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Crappie and sunfish also populate the lake in good numbers. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Go & Do. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. rocky fork fork fishing and and camping. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Bluegill anglers using redworms and waxworms have good catches around fallen trees and along drop-offs. For the 24 hour recorded opening and closure line,. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Land & Water. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. 5344 posts · Joined 2006. An official State of Ohio site. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. British Columbia fishing reports from Vancouver Island, Metro Vancouver, Fraser Valley, Skeena, Thompson-Nicola, Okanagan, Kootenay. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Fishing Forecast. Total number of estimated angler hours fished per weekend day, percent of anglers targeting each group of fish, and the average number of fish caught per hour from anglers targeting each group of fish at Rocky Fork Lake in 2018. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. An official State of Ohio site. Different colors in each bar represent the catch per hour of that size group of fish. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Home. Cowan Lake Angler Survey; Rocky Fork Lake. Crappie and sunfish also populate the lake in good numbers. Cowan Lake Angler Survey; Rocky Fork Lake. Password. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. No Motors. Cowan Lake Angler Survey; Rocky Fork Lake. Prepare for success with accurate data about the type of fish that are caugh in Rocky Fork Lake,. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Contact Us 1-800-WILDLIFE (800) 945-3543. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Home. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Rocky Fork Lake (OH) nautical chart on depth map. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Buy & Apply. An official State of Ohio site. Fishing Forecast. Here’s how you know learn-more. Fishing Forecast. Field staff update the fishing reports each week through the fishing season, reporting on fishing success, lake levels, water temperatures, and other important information. Lake Erie Fishing Guide & Boat Captains; Aquaculture, Bait & Fish Transport; Boat Dealers & Liveries. Fishing Forecast. ca. Access is available year-round off Hwy. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Lake Fishing Information: Rocky Fork Lake is one of the most popular fishing lakes in Ohio. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. A. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Reports ⓿ . Fishing Forecast. Fishing Forecast. 5287 posts · Joined 2009. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. are also noted. Fishing Forecast. The water was stained with ample weeds around docks and lily pads along the shore. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Report a Wildlife Violation Submit a Report Online Call 1-800. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Brian Hogsed 513-290-4571 If you are on Facebook please join the usa bassin Rocky Fork. If so, please call the Fisheries and Ocean Canada 24-hour toll free Observe, Record, Report line at 1-800-465-4336 or by email at DFO. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Address: 6576-6578 Lucas Ln, Hillsboro, OH 45133. Cowan Lake Angler Survey; Rocky Fork Lake. 0 5 10 15 20 25 30 35 40 2013 2016 District 5 Average Statewide Average t) Rocky Fork Crappie Trapnet Results <7" 7-9" 9-11. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. To register for the class, call 440-934-5345. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Last updated on August 25th, 2021. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. FINALLY made it back down to Rocky Fork Lake Sunday. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Kentucky Lake Fishing Report by TWRA Fishing Forecast; Scott Patton Kentucky Lake Guide; Lake Normandy; Laurel Hill Lake;. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Cowan Lake Angler Survey; Rocky Fork Lake. Lake Fishing Information: Rocky Fork Lake is one of the most popular fishing lakes in Ohio. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. #2 · Aug 24, 2019 I was on Rocky Fork yesterday for 4 hrs and not one Saugeye, only 3 white bass. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. 1843 posts · Joined 2020. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Skip to Navigation Skip to Main Content Ohio Department. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Cowan Lake Angler Survey; Rocky Fork Lake. Fishing Forecast. Cowan Lake Angler Survey; Rocky Fork Lake. Alum Creek Lake: This is a great fishing spot for anglers living in or around the Columbus area in Delaware County. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. A. On average it takes 3 years for a largemouth to reach 12 inches and 5 years for 15 inches. Fishing Forecast. Recent surveys at Rocky Fork Lake show a strong distribution of largemouth bass, with the majority ranging from 12 to 18 inches with fish up to 22 inches observed. Fishing Forecast. Home. Fishing Forecast. Fishing Forecast. Fishing Forecast.