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52-acre lake in Carbon County, Montana. The lake tops out around 50 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.
Lake At Falls maps at 49 acres behind 1.6 miles of shoreline. A middling shoreline index (1.7) gives it some bays to work without being a maze. The shallow band under 15 ft claims about 37% of the surface — that's where the groceries are. Tip to tip the water measures near 0.7 mi with a 0.2-mi widest point. Carbon County claims this one. Martin Lake (Carbon) sits 1 mi south — the closest neighbouring chart.
The spring pattern is a shallow one: cutthroat trout in 3 to 15 ft. As the season builds they drop to 10 to 35 ft, wintering in 10 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 23 ft range, prime in summer. Time it for early morning and the evening. Summer baits: a trolled spoon (small) or an inline spinner gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (10 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Break off the point (23 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (10 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Break off the point (23 ft) | Small jigging spoon, Marabou jig |
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 49 ft.
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 Lake At Falls specifically, so confirm the current rules before you fish.
Check the official Montana fishing regulations →
Lake At Falls is about 50 ft (15 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 cutthroat trout on Lake At Falls.
Break off the point is the top-rated area: a drop-off in about 23 ft of water that rates prime for cutthroat trout in summer. Every other rated spot, per species and season, is on the map above.
For cutthroat 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 Lake At Falls 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.
Martin Lake (Carbon) 1 mi · Rainbow Lake (Carbon) 1 mi · Vogel Lake 1 mi · Summit Lake (Carbon) 2 mi · Rimrock Lake 2 mi · Echo Lake (Carbon) 2 mi · Bergschrund Lake 2 mi · Dewey Lake 3 mi · Arch Lake 3 mi · Medicine Lake 3 mi · Desolation Lake 4 mi · Cairn Lake 4 mi
See how Lake At Falls stacks up: best cutthroat trout lakes in Montana
More water nearby: Carbon County fishing maps (65 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.