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Fishing Griggs Reservoir: what the data says
361-acre reservoir near Columbus. The lake tops out around 23 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Below is the species-by-species picture, pulled from the same data the map uses.
Largemouth Bass fishing at Griggs Reservoir
In spring, largemouth bass run shallow here, mostly 2 to 10 ft. They move out to 8 to 20 ft in summer and finish the year down in 7 to 23 ft. Shallow bay flat is the standout, a weed flat at roughly 8 ft, rated prime for spring largemouth bass. In summer the feeding windows fall in early morning and the evening. Tie on a texas-rigged 10" worm or a deep-diving crankbait and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | dawn & dusk | Spinnerbait, Chatterbait |
| Summer | 8 to 20 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 7 to 23 ft | midday | Blade bait, Jigging spoon |
Crappie fishing at Griggs Reservoir
Start shallow in spring: crappie sit in 2 to 8 ft that time of year. Summer pushes them deeper, 7 to 23 ft, and winter fish settle into 7 to 23 ft. Deep basin is the standout, a deep basin at roughly 15 ft, rated prime for winter crappie. Plan around early morning and the evening in the warm months. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | 1/16 oz jig + tube, Curly-tail grub |
| Summer | 7 to 23 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 8 to 20 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 7 to 23 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at Griggs Reservoir
Spring bluegill on Griggs Reservoir hold shallow, usually 1 to 6 ft. They move out to 4 to 15 ft in summer and finish the year down in 7 to 23 ft. The spot to know is Back-bay flat, a weed flat in about 2 ft of water that rates prime for bluegill in spring. Plan around early morning and the evening in the warm months. Summer baits: a small sponge spider (fly) or a micro tube jig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 1 to 6 ft | midday & dusk | 1/32 oz jig + micro plastic, Tiny popper (evenings) |
| Summer | 4 to 15 ft | dawn & dusk | Small sponge spider (fly), Micro tube jig |
| Fall | 6 to 18 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 7 to 23 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Channel Catfish fishing at Griggs Reservoir
In spring, channel catfish run shallow here, mostly 3 to 12 ft. By summer they slide out to 7 to 23 ft, and by winter most fish are in 7 to 23 ft. Hayden Run inflow is the standout, a inflow / creek mouth at roughly 3 ft, rated prime for spring channel catfish. In summer the feeding windows fall in after dark and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 7 to 23 ft | night & dusk | |
| Fall | 7 to 23 ft | dusk | |
| Winter | 7 to 23 ft | midday |
Smallmouth Bass fishing at Griggs Reservoir
In spring, smallmouth bass run shallow here, mostly 3 to 12 ft. By summer they slide out to 7 to 23 ft, and by winter most fish are in 7 to 23 ft. Main-lake point is the standout, a point at roughly 7 ft, rated prime for fall smallmouth bass. In summer the feeding windows fall in early morning and the evening. Summer baits: a drop shot (goby/minnow) or a ned rig gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dawn & dusk | Ned rig, Tube jig |
| Summer | 7 to 23 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 7 to 23 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 7 to 23 ft | midday | Blade bait, Hair jig |
Notable structure
- Deep basin: deep basin, around 15 ft
- Marina / dock area: dock line, around 12 ft
- Shallow bay flat: weed flat, around 8 ft
- Break off the point: drop-off, around 8 ft
- Main-lake point: point, around 7 ft
- Old creek channel: creek channel, around 7 ft
- Secondary point: point, around 5 ft
- Hayden Run inflow: inflow / creek mouth, around 3 ft
- Back-bay flat: weed flat, around 2 ft
- Cramer Ditch inflow: inflow / creek mouth, around 2 ft
Common questions
How deep is Griggs Reservoir?
Griggs Reservoir is about 23 ft at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
What fish are in Griggs Reservoir?
Anglers target largemouth bass, smallmouth bass, crappie, bluegill, channel catfish on Griggs Reservoir.
Where is the best fishing spot on Griggs Reservoir?
Shallow bay flat is the top-rated area: a weed flat in about 8 ft of water that rates prime for largemouth bass in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Griggs Reservoir?
For largemouth bass, the summer bite is best in early morning and the evening. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Antrim Lake · O'Shaughnessy Reservoir · Alum Creek Lake · Hoover Reservoir · Madison Lake · Delaware Lake
See how Griggs Reservoir stacks up: best largemouth bass lakes in Ohio · best smallmouth bass lakes in Ohio · best crappie lakes in Ohio · best bluegill lakes in Ohio
Browse all Ohio fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.