Fish 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 Fish 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 Fish Lake (Lincoln) on the board.

Fishing Fish Lake (Lincoln): what the data says

48-acre lake in Lincoln County, Montana. The lake tops out around 23 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. The season-by-season read for each species follows, from the map's own numbers.

The chart traces 1.9 miles of shoreline here. That shoreline is heavily fingered (development index 2.3) — bays, points and pockets everywhere, which multiplies the fishable edge. Littoral water — the productive band under ~15 ft — makes up 78% of this chart. End to end it runs roughly 0.8 mi. It sits in Lincoln County. Blue Lake (Flathead) sits 2 mi southwest — the closest neighbouring chart.

Brook Trout fishing at Fish Lake (Lincoln)

Early season brook trout use the shallows, holding in 2 to 15 ft. Expect a summer slide to 7 to 23 ft, then a winter hold in 3 to 20 ft. Put Deep basin first on the milk run — a deep basin near 23 ft that grades prime for summer. In summer the feeding windows fall in early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.

Season	Depth	Best window	Start at	Go-to baits
Spring	2 to 15 ft	dawn & dusk	Main-lake point (11 ft)	Small inline spinner (gold), Tiny spoon
Summer	7 to 23 ft	dawn & dusk	Deep basin (23 ft)	Small spoon fished deep, Trolled lake-clear wobbler + worm
Fall	2 to 15 ft	midday & dawn	Main-lake point (11 ft)	Small spoon (orange), Spinner
Winter	3 to 20 ft	dawn	Break off the point (14 ft)	Small jigging spoon, Tungsten jig + plastic

Notable structure

Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 23 ft.

Deep basin: deep basin, around 23 ft
Break off the point: drop-off, around 14 ft
Main-lake point: point, around 11 ft
Secondary point: point, around 9 ft
Back-bay flat: weed flat, around 6 ft
Shallow bay flat: weed flat, around 2 ft

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

Check the official Montana fishing regulations →

Common questions

How deep is Fish Lake (Lincoln)?

Fish Lake (Lincoln) is about 23 ft (7 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 Fish Lake (Lincoln)?

Anglers target brook trout on Fish Lake (Lincoln).

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

Deep basin is the top-rated area: a deep basin in about 23 ft of water that rates prime for brook trout in summer. The interactive chart above rates every spot for each species and season.

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

Fishing on Fish 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

Blue Lake (Flathead) 2 mi · Big Fire Lake 4 mi · Dickey Lake (Lincoln) 5 mi · Upper Whitefish Lake 7 mi · Martin Lake (Lincoln) 7 mi · Murphy Lake 7 mi · Upper Martin Lake 9 mi · Chain Lake 3 10 mi · Lower Stillwater Lake 13 mi · Moose Lake 15 mi · Frank Lake 16 mi · Long Lake (Lincoln) 16 mi

See how Fish Lake (Lincoln) stacks up: best brook 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.