See every public fishing venue in Ohio on the map, with boat ramps, camping, parking and full rules for each one.
Grand Lake is a public lake in Mercer County and Auglaize County, Ohio, managed by Ohio Division of Wildlife (public fishing access). It is public water managed for fishing by the Ohio Division of Wildlife. Public access confirmed via marquee water.
Grand Lake St. Marys — a huge, shallow, fertile western-Ohio lake: slab crappie, largemouth bass and bluegill in the structure, plus channel catfish and a big under-fished carp population. Once the largest man-made lake in the world.
Grand Lake covers about 12,845 acres in the Southwest Ohio region. Anglers here mostly fish for largemouth bass, bluegill, crappie, yellow perch; channel catfish, common carp are also on record. The nearest other mapped waters on PiscaMaps are Grand Lake–Saint Marys and Chickasaw Creek.
Species from Ohio DNR fish-management and public-access data.
Night fishing: No statewide night-fishing closure in Ohio. Some state-park lakes, city reservoirs and MWCD lakes have posted hours or seasonal closures, and a few beaches close at dusk — check the property rules for this water.
Boats: Horsepower and speed limits are set per lake in Ohio — many are 10 hp, electric-motor-only or no-wake, while the big Corps and border reservoirs are unlimited. MWCD lakes need their own launch permit. Check the ODNR listing for this water.
Bank & bivvy camping: Camp at Ohio state parks (reserve ahead), the MWCD lake campgrounds, Corps campgrounds and AEP ReCreation Land (free permit). Dispersed bank camping is not permitted on ODNR wildlife areas — they are day-use for fishing.
Tackle: This is a stocked Ohio trout water. No separate trout stamp is needed, but special seasons and limits apply on some reaches — check the current Ohio trout regulations.
Boat ramps: 20 mapped — Boat ramp, Boat ramp, Boat ramp, Boat ramp, Boat ramp, Boat ramp and others nearby.
Camping: 3 sites mapped nearby — Campsite, Campsite, Campsite.
Source: OpenStreetMap contributors.
Anyone 16 or older needs an Ohio fishing licence — resident annual is about $25, non-resident annual about $51, and 1-day and 3-day licences are also sold. There is no separate trout stamp. Buy online or in the HuntFish OH app from the Ohio Division of Wildlife. An Ohio fishing licence covers all public water in the state — there is no separate trout stamp. Check the ODNR property rules for water-specific hours and boating limits.
Every water carries species, bank & boat access, current regulations and live water conditions — and members get Swim Mapper, Catch Logger and Trip Planner. It's the only US map with a dedicated carp-water layer.
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