Long Lake (Lincoln) Depth Map & Fishing Spots (MT)

Hatch outlook

Grasshoppers (east-side summer)Active window

Typical here: Jul 1 – Oct 15 · until the hard frosts of mid-October; on the Missouri, August hoppers fish mid-river, not the banks

adultall day in high summer, best when afternoon wind knocks bugs onto the water

Pulls fish to the windward grassy banks and edges for months — fish the bank the wind blows ONTO.

The friendliest crossover of the summer: on lakes, drift the windward bank with a bubble-and-foam-hopper — the bubble's splash doesn't hurt a hopper presentation. On rivers, the same rig dead-drifted along the undercut grass banks, or small gold spinners under the banks between rises.

The event happens over grassy banks, undercut edges and windward shorelines

Spruce MothActive window

Typical here: Jul 20 – Aug 31 · a conifer-forest event — it needs fir and lodgepole on the banks, so it's a Rock Creek / Blackfoot / upper Bitterroot specialty

adultmorning through midday — moths don't enter the water willingly — landings are sporadic and near the conifer banks; fish the imitation LOW in the film with minimal floatant, even fully drowned, with a little movement

When the moths show, just about every run produces — large trout key on them so hard that one pattern carries the whole box for two weeks.

Honest limit: a small drowned-surface moth has no lure analog. The workable rig is a casting bubble with a drowned moth pattern along the timbered banks in the morning; otherwise fish spinners early and late and leave the moth window to the film.

2–3 weeks at best, and day-to-day — fish key on the moths when they show and vanish with them

The event happens over banks under conifers — the moths rarely reach mid-river

Recommendations come from depth structure and seasonal species behavior. Treat them as a starting point, not a guarantee. Contours here are interpolated from real agency depth surveys (state DNR / USACE). Never use for navigation. Always check local regulations.

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Recent catches at Long Lake (Lincoln)

Shared by DepthScout anglers. Exact spots stay private, always.

No shared catches here yet — be the first.Log a catch from the map above and share it to put Long Lake (Lincoln) on the board.

Fishing Long Lake (Lincoln): what the data says

43-acre lake in Lincoln County, Montana. The lake tops out around 30 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.

Brook Trout fishing at Long Lake (Lincoln)

Spring brook trout on Long Lake (Lincoln) hold shallow, usually 2 to 15 ft. By summer they slide out to 10 to 30 ft, and by winter most fish are in 3 to 20 ft. The chart's best answer is Deep basin — deep basin, 30 ft, prime for summer. Prime time lands in early morning and the evening. The summer box starts with a small spoon fished deep or a trolled lake-clear wobbler + worm.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	open water	Small inline spinner (gold), Tiny spoon
Summer	10 to 30 ft	dawn & dusk	Deep basin (30 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	open water	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	open water	Small jigging spoon, Tungsten jig + plastic

Lake Whitefish fishing at Long Lake (Lincoln)

The spring pattern is a shallow one: lake whitefish in 9 to 30 ft. The depth story barely changes: 9 to 30 ft through summer, 9 to 30 ft in winter. Top water on the chart: Deep basin, a deep basin in the 30 ft range, prime in summer. Time it for early morning. Summer baits: a blade bait vertical or a small jigging spoon gets it done.

Season	Depth	Best window	Start at	Go-to baits
Spring	9 to 30 ft	midday & dawn	Break off the point (30 ft)	Small jig + waxworm, Blade bait (small)
Summer	9 to 30 ft	dawn	Deep basin (30 ft)	Blade bait vertical, Small jigging spoon
Fall	8 to 30 ft	dusk	Break off the point (30 ft)	Small spoon (gold), Jig + plastic larva
Winter	9 to 30 ft	midday & dawn	Deep basin (30 ft)	Jigging spoon + bead chain, Tungsten jig + waxie

Cutthroat Trout fishing at Long Lake (Lincoln)

Spring puts cutthroat trout in skinny water — 3 to 15 ft is the zone. Warm water sends them out to 9 to 30 ft; cold water stacks them in 8 to 30 ft. Break off the point is the standout, a drop-off at roughly 30 ft, rated prime for summer cutthroat trout. Plan around early morning and the evening in the warm months. A trolled spoon (small) or an inline spinner covers the summer program.

Season	Depth	Best window	Start at	Go-to baits
Spring	3 to 15 ft	dawn & dusk	open water	Inline spinner (silver/gold), Small spoon
Summer	9 to 30 ft	dawn & dusk	Break off the point (30 ft)	Trolled spoon (small), Inline spinner
Fall	5 to 25 ft	dawn & dusk	Main-lake point (23 ft)	Casting spoon, Inline spinner
Winter	8 to 30 ft	dawn	Break off the point (30 ft)	Small jigging spoon, Marabou jig

Notable structure

Long Lake (Lincoln) carries 3 mapped structure features, topping out (or rather bottoming out) at Deep basin, about 30 ft down.

Deep basin: deep basin, around 30 ft
Break off the point: drop-off, around 30 ft
Main-lake point: point, around 23 ft

Long Lake (Lincoln) fishing regulations

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 Long Lake (Lincoln) specifically, so confirm the current rules before you fish.

Check the official Montana fishing regulations →

Common questions

How deep is Long Lake (Lincoln)?

Long Lake (Lincoln) is about 30 ft (9 m) deep 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 Long Lake (Lincoln)?

Anglers target brook trout, lake whitefish, cutthroat trout on Long Lake (Lincoln).

Where is the best fishing spot on Long Lake (Lincoln)?

Deep basin is the top-rated area: a deep basin in about 30 ft of water that rates prime for lake whitefish in summer. Every other rated spot, per species and season, is on the map above.

When is the best time to fish Long Lake (Lincoln)?

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.

What are the fishing regulations for Long Lake (Lincoln)?

Fishing on Long Lake (Lincoln) 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.

Nearby waters

Rock Lake 1 mi · Frank Lake 1 mi · Glen Lake 4 mi · Murphy Lake 9 mi · Martin Lake (Lincoln) 9 mi · BIG THERRIAULT LAKE 9 mi · Little Therriault Lake 10 mi · Tetrault Lake 10 mi · Moran Lake 11 mi · Dickey Lake (Lincoln) 11 mi · Sophie Lake 11 mi · Shotnana Lake 14 mi, BC

See how Long Lake (Lincoln) stacks up: best brook trout lakes in Montana · best lake whitefish lakes in Montana · best cutthroat trout lakes in Montana

More water nearby: Lincoln County fishing maps (28 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.