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Fishing Sprague Lake: what the data says
1,841-acre lake near Sprague. The lake tops out around 15 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 Sprague Lake
Spring largemouth bass on Sprague Lake hold shallow, usually 2 to 10 ft. They move out to 5 to 15 ft in summer and finish the year down in 5 to 15 ft. The spot to know is Shallow 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 | 5 to 15 ft | dawn & dusk | Texas-rigged 10" worm, Deep-diving crankbait |
| Fall | 4 to 15 ft | midday & dawn | Squarebill crankbait (shad), Spinnerbait |
| Winter | 5 to 15 ft | midday | Blade bait, Jigging spoon |
Crappie fishing at Sprague Lake
Spring crappie on Sprague Lake hold shallow, usually 2 to 8 ft. By summer they slide out to 5 to 15 ft, and by winter most fish are in 5 to 15 ft. Deep basin is the standout, a deep basin at roughly 15 ft, rated prime for winter crappie. Best bite is 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 | 5 to 15 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 5 to 15 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 5 to 15 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
Channel Catfish fishing at Sprague Lake
Start shallow in spring: channel catfish sit in 3 to 12 ft that time of year. By summer they slide out to 5 to 15 ft, and by winter most fish are in 5 to 15 ft. If you only fish one area, make it Deep basin: a deep basin around 15 ft that scores prime in winter. Plan around after dark and the evening in the warm months.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 3 to 12 ft | dusk | |
| Summer | 5 to 15 ft | night & dusk | |
| Fall | 5 to 15 ft | dusk | |
| Winter | 5 to 15 ft | midday |
Bluegill fishing at Sprague Lake
Start shallow in spring: bluegill sit in 1 to 6 ft that time of year. Summer pushes them deeper, 4 to 15 ft, and winter fish settle into 5 to 15 ft. The spot to know is Shallow bay flat, a weed flat in about 2 ft of water that rates prime for bluegill in spring. In summer the feeding windows fall in early morning and the evening. Tie on a small sponge spider (fly) or a micro tube jig and you're in the game.
| 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 | 5 to 15 ft | midday | Micro jig + waxworm, Small spoon tipped |
| Winter | 5 to 15 ft | midday | Tungsten ice jig + plastic, Tiny spoon |
Common Carp fishing at Sprague Lake
Spring common carp on Sprague Lake hold shallow, usually 2 to 10 ft. They move out to 3 to 15 ft in summer and finish the year down in 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. Best bite is early morning and the evening.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | |
| Summer | 3 to 15 ft | dawn & dusk | |
| Fall | 4 to 15 ft | midday | |
| Winter | 5 to 15 ft | midday |
Rainbow Trout fishing at Sprague Lake
Start shallow in spring: rainbow trout sit in 4 to 15 ft that time of year. Summer fish stay in 4 to 15 ft, and winter fish hold in 3 to 15 ft. If you only fish one area, make it Break off the point: a drop-off around 11 ft that scores prime in winter. In summer the feeding windows fall in early morning and the evening. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 4 to 15 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 4 to 15 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 3 to 15 ft | dawn | Jigging spoon, Tube jig (white) |
Notable structure
- Deep basin: deep basin, around 15 ft
- Main-lake point: point, around 14 ft
- Break off the point: drop-off, around 11 ft
- Secondary point: point, around 3 ft
- Shallow bay flat: weed flat, around 2 ft
- Back-bay flat: weed flat, around 2 ft
Common questions
How deep is Sprague Lake?
Sprague Lake is about 15 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 Sprague Lake?
Anglers target largemouth bass, crappie, bluegill, channel catfish, rainbow trout, common carp on Sprague Lake.
Where is the best fishing spot on Sprague Lake?
Shallow bay flat is the top-rated area: a weed flat in about 2 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 Sprague Lake?
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
Williams Lake · Badger Lake · Clear Lake · West Medical Lake · Medical Lake · Loon Lake
See how Sprague Lake stacks up: best largemouth bass lakes in Washington · best crappie lakes in Washington · best bluegill lakes in Washington · best channel catfish lakes in Washington
Browse all Washington fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.