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19-acre lake near Sheridan Region. The lake tops out around 50 ft. These contours are modeled — built from the real shoreline and the water's maximum depth — so read them as a guide, never as navigation. Every species below gets its seasonal read from the same numbers driving the chart.
Drawn out, this is 18 acres of water rimmed by 0.7 miles of bank. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. 17% of the surface is littoral (under ~15 ft), per the model — cover, weeds and forage water. The basin spans about 0.3 mi end to end and 0.2 mi across at its widest. You'll find it in Johnson County. For a second option, Seven Bros Lake 7 lies 0 mi north.
Start shallow in spring: lake trout sit in 10 to 40 ft that time of year. Warm water sends them out to 15 to 50 ft; cold water stacks them in 13 to 50 ft. Top water on the chart: Deep basin, a deep basin in the 43 ft range, prime in summer. Fish it in early morning and you'll meet the bite. Throw a white tube jig (deep) or a magnum spoon on downrigger until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 15 to 50 ft | dawn | Deep basin (43 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Main-lake point (13 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 13 to 50 ft | dawn | Deep basin (43 ft) | White tube jig, Airplane jig |
The spring pattern is a shallow one: rainbow trout in 5 to 20 ft. As the season builds they drop to 8 to 30 ft, wintering in 8 to 40 ft. Top water on the chart: Break off the point, a drop-off in the 23 ft range, prime in winter. Time it for early morning and the evening. 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 (13 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (23 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (13 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (23 ft) | Jigging spoon, Tube jig (white) |
Count 4 structure marks on this chart. The deepest, Deep basin, sits near 43 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 Seven Bros Lake 3 specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Seven Bros Lake 3 is about 50 ft (15 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 lake trout, rainbow trout on Seven Bros Lake 3.
Deep basin is the top-rated area: a deep basin in about 43 ft of water that rates prime for lake trout in summer. Scroll up to the map for the complete spot list by species and season.
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Seven Bros Lake 3 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.
Seven Bros Lake 7 0 mi · Seven Bros Lake 6 0 mi · Seven Bros Lake 2 0 mi · Seven Bros Lake 4 0 mi · Seven Bros Lake 1 1 mi · Seven Bros Lake 5 1 mi · Angeline Lake 2 mi · Willow Lake 1 3 mi · Ringbone Lake 4 mi · Lame Deer Lake 4 mi · Lost Twin Lake 2 5 mi · Lost Twin Lake 1 5 mi
See how Seven Bros Lake 3 stacks up: best rainbow trout lakes in Wyoming · best lake trout lakes in Wyoming
More water nearby: Johnson County fishing maps (39 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.