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9-acre lake near Cody Region. The lake tops out around 18 ft. What you see is a modeled chart: the shoreline is real, the max depth is published, and the contours between are estimated. Plan with it; don't navigate by it. Every species below gets its seasonal read from the same numbers driving the chart.
Shoreline on the chart totals 0.5 miles. Nearly circular (index 1.4), so the story is the bottom, not the bank. The shallow band under 15 ft claims about 60% of the surface on the model — that's where the groceries are. The water lies in Park County. For a second option, Jeff Lake lies 0 mi east.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Midsummer fish sit out in 5 to 18 ft before dropping to 3 to 18 ft for winter. Summer brook trout concentrate at Deep basin, a prime-rated deep basin around 15 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a small spoon fished deep or a trolled lake-clear wobbler + worm most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (8 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 5 to 18 ft | dawn & dusk | Deep basin (15 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (8 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 18 ft | dawn | Deep basin (15 ft) | Small jigging spoon, Tungsten jig + plastic |
The chart marks 3 structure features on Mutt Lake; the deepest is Deep basin at about 15 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 Mutt Lake specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Mutt Lake is about 18 ft (5 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 Mutt Lake.
Deep basin is the top-rated area: a deep basin in about 15 ft of water that rates prime for brook trout in summer. Every other rated spot, per species and season, is on the map above.
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 Mutt 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.
Jeff Lake 0 mi · Flake Lake 1 mi · Wall Lake 1 mi · Beauty Lake 1 mi · Echo Lake 1 mi · Becker Lake 1 mi · Claw Lake 1 mi · Snow Lake 1 mi · Shallow Lake 1 mi · Heart Lake 1 mi · Crane Lake 1 mi · Ewe Lake 2 mi
See how Mutt 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.