Sign inSign up freeRecent catches at Defiance Reservoir
Shared by DepthScout anglers. Exact spots stay private, always.
Fishing Defiance Reservoir: what the data says
48-acre lake near Ohio. The lake tops out around 22 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. Here is how the season plays out for each species, straight from the data behind the map.
Largemouth Bass fishing at Defiance Reservoir
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. By summer they slide out to 8 to 20 ft, and by winter most fish are in 7 to 22 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 4 ft that scores prime in spring. Plan around early morning and the evening in the warm months. Summer baits: a texas-rigged 10" worm or a deep-diving crankbait gets it done.
| 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 22 ft | midday | Blade bait, Jigging spoon |
Crappie fishing at Defiance Reservoir
In spring, crappie run shallow here, mostly 2 to 8 ft. They move out to 7 to 22 ft in summer and finish the year down in 7 to 22 ft. Deep basin is the standout, a deep basin at roughly 19 ft, rated prime for winter crappie. In summer the feeding windows fall in early morning and the evening. Summer baits: a jig trolled/spider-rigged or a small crankbait (trolled) gets it done.
| 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 22 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 22 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Bluegill fishing at Defiance Reservoir
Spring bluegill on Defiance 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 22 ft. The spot to know is Shallow bay flat, a weed flat in about 4 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 22 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Channel Catfish fishing at Defiance Reservoir
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. By summer they slide out to 7 to 22 ft, and by winter most fish are in 7 to 22 ft. If you only fish one area, make it Deep basin: a deep basin around 19 ft that scores prime in winter. 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 22 ft | night & dusk | |
| Fall | 7 to 22 ft | dusk | |
| Winter | 7 to 22 ft | midday |
Notable structure
- Deep basin: deep basin, around 19 ft
- Break off the point: drop-off, around 17 ft
- Back-bay flat: weed flat, around 7 ft
- Main-lake point: point, around 5 ft
- Shallow bay flat: weed flat, around 4 ft
Common questions
How deep is Defiance Reservoir?
Defiance Reservoir is about 22 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 Defiance Reservoir?
Anglers target largemouth bass, crappie, bluegill, channel catfish on Defiance Reservoir.
Where is the best fishing spot on Defiance Reservoir?
Shallow bay flat is the top-rated area: a weed flat in about 4 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 Defiance 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
Wauseon 2 Reservoir · Harrison Lake · Barton Lake · McKarns Lake · Nettle Lake · Maumee River
See how Defiance Reservoir stacks up: best largemouth bass lakes in Ohio · best crappie lakes in Ohio · best bluegill lakes in Ohio · best channel catfish 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.