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38-acre lake near Lander Region. The lake tops out around 95 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. Here is how the season plays out for each species, straight from the data behind the map.
Traced from the shoreline, Cook Lake runs 33 acres with 1 miles of edge. Nearly circular (index 1.2), so the story is the bottom, not the bank. The shallow band under 15 ft claims about 10% of the surface on the model — that's where the groceries are. End to end it runs roughly 0.3 mi, about 0.2 mi across. The water lies in Fremont County. For a second option, Cloverleaf Lake lies 0 mi north.
In spring, brook trout run shallow here, mostly 2 to 15 ft. Midsummer fish sit out in 10 to 30 ft before dropping to 3 to 20 ft for winter. Spring brook trout concentrate at Shallow bay flat, a good-rated feeding flat around 6 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 | Shallow bay flat (6 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | open water | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | open water | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (6 ft) | Small jigging spoon, Tungsten jig + plastic |
Structure-wise the chart holds 5 features, led in depth by Deep basin at roughly 81 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 Cook Lake specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Cook Lake is about 95 ft (29 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 Cook Lake.
Shallow bay flat is the top-rated area: a feeding flat in about 6 ft of water that rates good for brook trout in spring. 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 Cook 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.
Cloverleaf Lake 0 mi · Smith Lake 1 mi · Phyllis Lake 1 mi · Middle Lake 1 mi · Cathedral Lake 1 mi · Glacier Lake 1 mi · Bears Ears Lake 3 mi · Sand Lake 4 mi · Lonesome Lake 5 mi · Coon Lake 9 mi · Lower Saddlebags Lake 14 mi · Fawn Lake 14 mi
See how Cook Lake stacks up: best brook trout lakes in Wyoming
More water nearby: Fremont County fishing maps (53 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.