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105-acre lake near Montana. The lake tops out around 18 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.
In spring, rainbow trout run shallow here, mostly 5 to 18 ft. Summer fish stay in 5 to 18 ft, and winter fish hold in 4 to 18 ft. Break off the point is the standout, a drop-off at roughly 13 ft, rated prime for winter rainbow trout. Plan around early morning and the evening in the warm months. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 18 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 5 to 18 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 5 to 18 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 18 ft | dawn | Jigging spoon, Tube jig (white) |
Spring crappie on Boxelder Lake hold shallow, usually 2 to 8 ft. By summer they slide out to 5 to 18 ft, and by winter most fish are in 5 to 18 ft. Deep basin is the standout, a deep basin at roughly 18 ft, rated prime for winter crappie. Plan around early morning and the evening in the warm months. A jig trolled/spider-rigged or a small crankbait (trolled) covers the summer program.
| 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 18 ft | dawn & dusk | Jig trolled/spider-rigged, Small crankbait (trolled) |
| Fall | 5 to 18 ft | dawn | Jig + minnow combo, Small swimbait (1.5-2") |
| Winter | 5 to 18 ft | midday | Tungsten jig + soft plastic, Tiny jigging spoon |
In spring, walleye run shallow here, mostly 4 to 15 ft. They move out to 5 to 18 ft in summer and finish the year down in 5 to 18 ft. If you only fish one area, make it Break off the point: a drop-off around 13 ft that scores prime in fall. Best bite is the evening and early morning. Summer baits: a crawler harness on bottom bouncer or a deep crankbait (trolled) gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | 1/8 oz jig + minnow, Hair jig |
| Summer | 5 to 18 ft | dusk & dawn | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 5 to 18 ft | dusk & night | Jigging rap, Jig + big minnow |
| Winter | 5 to 18 ft | dusk & dawn | Jigging spoon + minnow head, Rattle bait |
In spring, northern pike run shallow here, mostly 2 to 8 ft. Summer pushes them deeper, 5 to 18 ft, and winter fish settle into 5 to 15 ft. Shallow bay flat is the standout, a weed flat at roughly 2 ft, rated prime for spring northern pike. Best bite is early morning and the evening. Tie on a bucktail or a weedless spoon over cabbage and you're in the game.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 5 to 18 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 |
Start shallow in spring: common carp sit in 2 to 10 ft that time of year. By summer they slide out to 3 to 15 ft, and by winter most fish are in 5 to 18 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 2 ft that scores prime in spring. In summer the feeding windows fall in 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 | 5 to 18 ft | midday | |
| Winter | 5 to 18 ft | midday |
In spring, yellow perch run shallow here, mostly 3 to 12 ft. By summer they slide out to 5 to 18 ft, and by winter most fish are in 5 to 18 ft. The spot to know is Deep basin, a deep basin in about 18 ft of water that rates prime for yellow perch in fall. Best bite is 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 | 5 to 18 ft | dawn | Drop-shot micro plastics, Small spoon tipped with worm |
| Fall | 5 to 18 ft | midday | Jigging spoon (small), Perch rig / spreader |
| Winter | 5 to 18 ft | midday & dawn | Tungsten jig + spikes, Rattle spoon (small) |
How deep is Boxelder Lake?
Boxelder Lake is about 18 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 Boxelder Lake?
Anglers target walleye, northern pike, crappie, rainbow trout, yellow perch, common carp on Boxelder Lake.
Where is the best fishing spot on Boxelder Lake?
Deep basin is the top-rated area: a deep basin in about 18 ft of water that rates prime for crappie in winter. Open the map above to see every rated spot for each species and season.
When is the best time to fish Boxelder Lake?
For rainbow trout, 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.
Gartside Reservoir · Paulo Reservoir · South Sandstone Reservoir · Valley Reservoir · Spotted Eagle Lake · Castle Rock Reservoir
See how Boxelder Lake stacks up: best walleye lakes in Montana · best northern pike lakes in Montana · best crappie lakes in Montana · best rainbow trout lakes in Montana
Browse all Montana fishing maps or every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. For fishing guidance only, never navigation.