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Fishing Gerber Reservoir: what the data says
3,809-acre reservoir near Bonanza. The lake tops out around 40 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.
Crappie fishing at Gerber Reservoir
In spring, crappie run shallow here, mostly 2 to 8 ft. They move out to 10 to 25 ft in summer and finish the year down in 15 to 35 ft. If you only fish one area, make it Old creek channel: a creek channel around 22 ft that scores prime in summer. Best bite is early morning and the evening. Tie on a jig trolled/spider-rigged or a small crankbait (trolled) and you're in the game.
| 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 Gerber Reservoir
In spring, yellow perch run shallow here, mostly 3 to 12 ft. 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 5 ft of water that rates prime for yellow perch in spring. In summer the feeding windows fall in early morning. A drop-shot micro plastics or a small spoon tipped with worm covers the summer program.
| 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) |
Largemouth Bass fishing at Gerber Reservoir
Spring largemouth bass on Gerber Reservoir hold shallow, usually 2 to 10 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 15 to 35 ft. The spot to know is Shallow bay flat, a weed flat in about 5 ft of water that rates prime for largemouth bass in spring. Best bite is early morning and the evening. 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 | 15 to 35 ft | midday | Blade bait, Jigging spoon |
Notable structure
- Deep basin: deep basin, around 40 ft
- Deepest basin: deep basin, around 40 ft
- Sharp break: drop-off, around 31 ft
- Old creek channel: creek channel, around 22 ft
- Break off the point: drop-off, around 20 ft
- Shallow feeding flat: feeding flat, around 20 ft
- Shallow feeding flat: feeding flat, around 19 ft
- Secondary point: point, around 12 ft
- Creek inflow: inflow / creek mouth, around 11 ft
- Shoreline point: point, around 10 ft
- Main-lake point: point, around 9 ft
- Rock reef: rock pile, around 9 ft
- Creek inflow: inflow / creek mouth, around 8 ft
- Shallow bay flat: weed flat, around 5 ft
Common questions
How deep is Gerber Reservoir?
Gerber Reservoir is about 40 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 Gerber Reservoir?
Anglers target largemouth bass, crappie, yellow perch on Gerber Reservoir.
Where is the best fishing spot on Gerber Reservoir?
Shallow bay flat is the top-rated area: a weed flat in about 5 ft of water that rates prime for yellow perch in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Gerber Reservoir?
For crappie, 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
Agency Lake · Fourmile Lake · Fish Lake · Crater Lake · Hart Lake · Howard Prairie Lake
See how Gerber Reservoir stacks up: best largemouth bass lakes in Oregon · best crappie lakes in Oregon
Browse all Oregon fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.