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19-acre lake in Stillwater County, Montana. The lake tops out around 35 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.
On the chart, Cimmerian Lake draws 25 acres inside 1.2 miles of shoreline. Index 1.7 on the shoreline: a few honest points and pockets, nothing labyrinthine. 53% of the surface is littoral (under ~15 ft) — cover, weeds and forage water. The basin spans about 0.5 mi end to end. The water lies in Stillwater County. Closest neighbour on DepthScout: Lake Surrender, 0 mi west of here.
The spring pattern is a shallow one: rainbow trout in 5 to 20 ft. Midsummer fish sit out in 8 to 30 ft before dropping to 7 to 35 ft for winter. The spot to know is Break off the point, a drop-off in about 18 ft of water that rates prime for rainbow trout in winter. Plan around early morning and the evening in the warm months. Summer baits: a dodger + spoon (deep troll) or a flutter spoon gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (9 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (18 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (9 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 7 to 35 ft | dawn | Break off the point (18 ft) | Jigging spoon, Tube jig (white) |
Count 5 structure marks on this chart. The deepest, Deep basin, sits near 30 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 Cimmerian Lake specifically, so confirm the current rules before you fish.
Check the official Montana fishing regulations →
Cimmerian Lake is about 35 ft (11 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 rainbow trout on Cimmerian Lake.
Break off the point is the top-rated area: a drop-off in about 18 ft of water that rates prime for rainbow trout in winter. Scroll up to the map for the complete spot list by species and season.
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.
Fishing on Cimmerian 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 Surrender 0 mi · Sienna Lake 3 mi · Wounded Man Lake 3 mi · Lightning Lake 3 mi · Jasper Lake (Tumble Lake) 4 mi · Owl Lake (Sweet Grass) 4 mi · Jordan Lake (Sweet Grass) 5 mi · Fish Lake (Sweet Grass) 5 mi · Rainbow Lake, Upper (Rainbow #2) 5 mi · Narrow Escape Lake 6 mi · Mirror Lake 6 mi · Pentad Lake 6 mi
See how Cimmerian Lake stacks up: best rainbow trout lakes in Montana
More water nearby: Stillwater County fishing maps (8 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.