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3,800-acre lake near Helena. The lake tops out around 65 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.
Hauser Lake maps at 4,798 acres behind 29 miles of shoreline. With a shoreline index of 3, this water is all arms and coves — edge habitat well beyond its acreage. The shallow band under 15 ft claims about 31% of the surface — that's where the groceries are. The basin spans about 10.3 mi end to end and 3.3 mi across at its widest. Lewis and Clark County claims this one. Lake Helena sits 6 mi west — the closest neighbouring chart.
When the water first warms, brook trout slide up into 2 to 15 ft. Summer is a 10 to 30 ft game here, winter a 3 to 20 ft one. Start at Sharp break. It's a drop-off holding about 12 ft of water and rates prime come summer. The feeding windows run early morning and the evening. Keep a small spoon fished deep or a trolled lake-clear wobbler + worm rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Shoreline point (10 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Sharp break (12 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Rock reef (3 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (9 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, kokanee slide up into 10 to 30 ft. Summer is a 20 to 65 ft game here, winter a 16 to 65 ft one. Start at Deep basin. It's a deep basin holding about 60 ft of water and rates prime come summer. The feeding windows run early morning. Keep a dodger + pink/orange squid on downrigger or a kokanee bug + corn rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 30 ft | dawn | Sharp break (12 ft) | Small dodger + squid (pink), Wedding-ring spinner + corn |
| Summer | 20 to 65 ft | dawn | Deep basin (60 ft) | Dodger + pink/orange squid on downrigger, Kokanee bug + corn |
| Fall | 5 to 40 ft | dawn | Break off the point (9 ft) | Dodger + squid (deeper red/purple), Small spoon |
| Winter | 16 to 65 ft | dawn | Deep basin (60 ft) | Small glow jig + corn or maggot, Tiny spoon |
Start shallow in spring: walleye sit in 4 to 15 ft that time of year. Summer pushes them deeper, 15 to 35 ft, and winter fish settle into 20 to 40 ft. The spot to know is Sharp break, a drop-off in about 33 ft of water that rates prime for walleye in fall. Warm-month bites cluster around the evening and early morning. Throw a crawler harness on bottom bouncer or a deep crankbait (trolled) until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | dusk & dawn | Rock reef (3 ft) | 1/8 oz jig + minnow, Hair jig |
| Summer | 15 to 35 ft | dusk & dawn | Sharp break (33 ft) | Crawler harness on bottom bouncer, Deep crankbait (trolled) |
| Fall | 12 to 40 ft | dusk & night | Sharp break (33 ft) | Jigging rap, Jig + big minnow |
| Winter | 20 to 40 ft | dusk & dawn | Sharp break (33 ft) | Jigging spoon + minnow head, Rattle bait |
Spring puts lake whitefish in skinny water — 15 to 45 ft is the zone. Warm water sends them out to 20 to 65 ft; cold water stacks them in 20 to 65 ft. Deep basin is the standout, a deep basin at roughly 60 ft, rated prime for summer lake whitefish. Plan around early morning in the warm months. A blade bait vertical or a small jigging spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Sharp break (33 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 20 to 65 ft | dawn | Deep basin (60 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Rock reef (3 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 20 to 65 ft | midday & dawn | Deep basin (60 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
Come spring, look for common carp tight to the bank in 2 to 10 ft. They move out to 3 to 15 ft in summer and finish the year down in 10 to 30 ft. If you only fish one area, make it Back-bay flat: a weed flat around 6 ft that scores prime in spring. Best bite is early morning and the evening.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dawn | Back-bay flat (6 ft) | |
| Summer | 3 to 15 ft | dawn & dusk | Back-bay flat (6 ft) | |
| Fall | 5 to 18 ft | midday | Back-bay flat (6 ft) | |
| Winter | 10 to 30 ft | midday | Deep basin (60 ft) |
Early season burbot use the shallows, holding in 20 to 65 ft. Even in summer they hold at 20 to 65 ft; winter keeps them in 15 to 60 ft. The chart's best answer is Deep basin — deep basin, 60 ft, prime for spring. Best bite is after dark and midday. Tie on a heavy jig + cut bait and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 20 to 65 ft | night & dusk | Deep basin (60 ft) | Glow jigging spoon + cut bait, Rattle bait (dark) |
| Summer | 20 to 65 ft | night & midday | Deep basin (60 ft) | Heavy jig + cut bait |
| Fall | 20 to 65 ft | night & dusk | Deep basin (60 ft) | Glow spoon + minnow head, Blade bait (slow) |
| Winter | 15 to 60 ft | night & dusk | Deep basin (60 ft) | Glow tungsten + cut bait, Rattle spoon + minnow head |
Hauser Lake also holds northern pike (8 to 20 ft in summer), yellow perch (10 to 30 ft in summer), brown trout (25 to 60 ft in summer), cutthroat trout (10 to 35 ft in summer), rainbow trout (8 to 30 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 20 features, led in depth by Deep basin at roughly 60 ft.
Access data: Montana FWP — Fishing Access Sites. Confirm conditions and fees locally before you launch.
Season dates, license requirements, and size and bag limits for Montana waters are set by the Montana Fish, Wildlife & Parks — and special regulations can apply to Hauser Lake specifically, so confirm the current rules before you fish.
Check the official Montana fishing regulations →
Hauser Lake is about 65 ft (20 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target brook trout, kokanee, walleye, lake whitefish, common carp, burbot, northern pike, yellow perch, brown trout, cutthroat trout, rainbow trout on Hauser Lake.
Deep basin is the top-rated area: a deep basin in about 60 ft of water that rates prime for kokanee in summer. Scroll up to the map for the complete spot list by species and season.
For brook 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.
Fishing on Hauser Lake is regulated by the Montana Fish, Wildlife & Parks. Check the official Montana regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Lake Helena 6 mi · Spring Meadow Lake 14 mi · Canyon Ferry Reservoir 17 mi · Hound Creek Reservoir 21 mi · Missouri River 32 mi · Gollaher Reservoir 36 mi · Newlan Reservoir 43 mi · Nevada Reservoir 47 mi · Heart Lake (Lewis and Clark) 49 mi · Bean Lake 50 mi · Lake Sutherlin 52 mi · Parker Lake 53 mi
See how Hauser Lake stacks up: best walleye lakes in Montana · best northern pike lakes in Montana · best rainbow trout lakes in Montana · best yellow perch lakes in Montana
More water nearby: Lewis and Clark County fishing maps (9 charts). Browse all Montana fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. How we build these maps. Fish here with a sonar unit that logs? Send us your depth data and we'll improve this chart, credited to you. For fishing guidance only, never navigation.