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Fishing Keyhole Reservoir: what the data says
13,700-acre reservoir near Pine Haven. The lake tops out around 74 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. What follows comes from the same scoring engine that paints the spots above.
Walleye fishing at Keyhole Reservoir
In spring, walleye run shallow here, mostly 4 to 15 ft. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 20 to 40 ft. Break off the point is the standout, a drop-off at roughly 22 ft, rated prime for fall walleye. Best bite is the evening and early morning. Tie on a crawler harness on bottom bouncer or a deep crankbait (trolled) and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
Smallmouth Bass fishing at Keyhole Reservoir
Spring smallmouth bass on Keyhole Reservoir hold shallow, usually 3 to 12 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 20 to 45 ft. The spot to know is Rock reef, a rock pile in about 8 ft of water that rates prime for smallmouth bass in spring. Best bite is 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 | 10 to 30 ft | dawn & dusk | Drop shot (goby/minnow), Ned rig |
| Fall | 8 to 25 ft | midday & dawn | Jerkbait, Blade bait |
| Winter | 20 to 45 ft | midday | Blade bait, Hair jig |
Northern Pike fishing at Keyhole Reservoir
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 6 ft, rated prime for spring northern pike. In summer the feeding windows fall in early morning and the evening. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Crappie fishing at Keyhole Reservoir
Spring crappie on Keyhole Reservoir hold shallow, usually 2 to 8 ft. They move out to 10 to 25 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Old creek channel, a creek channel in about 8 ft of water that rates prime for crappie in fall. Plan around early morning and the evening in the warm months. 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 | 10 to 25 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 | 15 to 35 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Yellow Perch fishing at Keyhole Reservoir
Start shallow in spring: yellow perch sit in 3 to 12 ft that time of year. They move out to 10 to 30 ft in summer and finish the year down in 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 6 ft of water that rates prime for yellow perch in spring. Best bite is early morning. Tie on a drop-shot micro plastics or a small spoon tipped with worm and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | midday & dawn | Small jig + curly tail, Perch-pattern micro crank |
| Summer | 10 to 30 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 12 to 35 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 15 to 35 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
Freshwater Drum fishing at Keyhole Reservoir
In spring, freshwater drum run shallow here, mostly 5 to 20 ft. By summer they slide out to 8 to 30 ft, and by winter most fish are in 15 to 45 ft. The spot to know is Old creek channel, a creek channel in about 8 ft of water that rates prime for freshwater drum in summer. In summer the feeding windows fall in the evening. Summer baits: a jig + crawler combo or a small crankbait (slow) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | midday & dawn | Jig + curly tail (bounced), Small blade bait |
| Summer | 8 to 30 ft | dusk | Jig + crawler combo, Small crankbait (slow) |
| Fall | 10 to 35 ft | midday | Blade bait (vertical), Jigging spoon |
| Winter | 15 to 45 ft | midday | Jigging spoon (slow) |
Keyhole Reservoir also holds channel catfish (8 to 25 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 70 ft
- Deepest basin: deep basin, around 69 ft
- Sharp break: drop-off, around 33 ft
- Break off the point: drop-off, around 22 ft
- Shallow feeding flat: feeding flat, around 20 ft
- Shallow feeding flat: feeding flat, around 20 ft
- Creek inflow: inflow / creek mouth, around 16 ft
- Main-lake point: point, around 10 ft
- Secondary point: point, around 10 ft
- Old creek channel: creek channel, around 8 ft
- Rock reef: rock pile, around 8 ft
- Shallow bay flat: weed flat, around 6 ft
- Back-bay flat: weed flat, around 6 ft
- Sharp break: drop-off, around 5 ft
Common questions
How deep is Keyhole Reservoir?
Keyhole Reservoir is about 74 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 Keyhole Reservoir?
Anglers target smallmouth bass, walleye, northern pike, crappie, channel catfish, yellow perch, freshwater drum on Keyhole Reservoir.
Where is the best fishing spot on Keyhole Reservoir?
Break off the point is the top-rated area: a drop-off in about 22 ft of water that rates prime for walleye in fall. Open the map above to see every rated spot for each species and season.
When is the best time to fish Keyhole Reservoir?
For walleye, the summer bite is best in the evening and early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Nearby waters
Upton Centennial 2 · Black Hills Power and Light Reservoir · Lak Reservoir · Glendo Reservoir · Big Muddy Pond · Desmet Lake
See how Keyhole Reservoir stacks up: best smallmouth bass lakes in Wyoming · best walleye lakes in Wyoming · best crappie lakes in Wyoming · best channel catfish lakes in Wyoming
Browse all Wyoming fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.