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35-acre lake near Cody Region. The lake tops out around 38 ft. The contours come from a model of the real basin shape and its known max depth. Read them as probabilities, not soundings, and keep them out of navigation decisions. What the data behind the map says about each species, season by season:
There are 1 miles of drawn shoreline to work. Index 1.6 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 32% of the surface on the model — that's where the groceries are. Tip to tip the water measures near 0.4 mi with a 0.2-mi widest point. You'll find it in Park County. The nearest mapped water is Ewe Lake, 1 mi to the southeast.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. The spot to know is Break off the point, a drop-off in about 17 ft of water that rates prime for brook trout in summer. Warm-month bites cluster around early morning and the evening. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (10 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (17 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (10 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (17 ft) | Small jigging spoon, Tungsten jig + plastic |
The chart marks 4 structure features on Lonesome Lake; the deepest is Deep basin at about 32 ft.
Season dates, license requirements, and size and bag limits for Wyoming waters are set by the Wyoming Game and Fish Department — and special regulations can apply to Lonesome Lake specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Lonesome Lake is about 38 ft (12 m) deep at its deepest point. The contours here are modeled from the water's real shape and maximum depth, so treat them as a rough guide.
Anglers target brook trout on Lonesome Lake.
Break off the point is the top-rated area: a drop-off in about 17 ft of water that rates prime for brook trout 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 Lonesome Lake is regulated by the Wyoming Game and Fish Department. Check the official Wyoming regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Ewe Lake 1 mi · T Lake 1 mi · Finger Lake 1 mi · Horseshoe Lake 1 mi · Albino Lake 1 mi, MT · Shallow Lake 1 mi · Native Lake 1 mi · Echo Lake 1 mi · Box Lake 1 mi · Becker Lake 1 mi · Surprise Lake 2 mi · Golden Lake 2 mi, MT
See how Lonesome Lake stacks up: best brook trout lakes in Wyoming
More water nearby: Park County fishing maps (59 charts). Browse all Wyoming fishing maps or see every water on DepthScout. 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.