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Fishing Lake Jap Beaver: what the data says
40-acre reservoir near Oklahoma. The lake tops out around 28 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.
Bluegill fishing at Lake Jap Beaver
Spring bluegill on Lake Jap Beaver hold shallow, usually 1 to 6 ft. By summer they slide out to 4 to 15 ft, and by winter most fish are in 10 to 25 ft. Back-bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring bluegill. Best bite is early morning and the evening. 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 | 10 to 25 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Largemouth Bass fishing at Lake Jap Beaver
Start shallow in spring: largemouth bass sit in 2 to 10 ft that time of year. They move out to 8 to 20 ft in summer and finish the year down in 8 to 28 ft. The spot to know is Back-bay flat, a weed flat in about 2 ft of water that rates prime for largemouth bass 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 | 8 to 28 ft | midday | Blade bait, Jigging spoon |
Notable structure
- Deep basin: deep basin, around 27 ft
- Shallow bay flat: weed flat, around 14 ft
- Break off the point: drop-off, around 13 ft
- Main-lake point: point, around 7 ft
- Secondary point: point, around 4 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Lake Jap Beaver?
Lake Jap Beaver is about 28 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 Lake Jap Beaver?
Anglers target largemouth bass, bluegill on Lake Jap Beaver.
Where is the best fishing spot on Lake Jap Beaver?
Back-bay flat is the top-rated area: a weed flat in about 2 ft of water that rates prime for bluegill in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Lake Jap Beaver?
For bluegill, 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
Waurika Lake · Lake Ellsworth · Elmer Thomas Lake · Lake Lawtonka · Lake Louis Burtschi · Mountain Lake
See how Lake Jap Beaver stacks up: best largemouth bass lakes in Oklahoma · best bluegill lakes in Oklahoma
Browse all Oklahoma fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.