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23-acre lake near Lander Region. The lake tops out around 56 ft. Depth here is modeled from the true shoreline and max depth rather than surveyed; use it to plan, not to navigate. What the data behind the map says about each species, season by season:
The drawn water covers 24 acres wrapped in 1 miles of bank. With a 1.5 development index there's bank structure worth casting at, in moderation. The shallow band under 15 ft claims about 22% of the surface on the model — that's where the groceries are. The basin spans about 0.3 mi end to end and 0.2 mi across at its widest. It sits in Fremont County. If the bite dies, Native Lake is 0 mi to the west.
Early season brook trout use the shallows, holding in 2 to 15 ft. Expect a summer slide to 10 to 30 ft, then a winter hold in 3 to 20 ft. Put Break off the point first on the milk run — a drop-off near 25 ft that grades prime for summer. In summer the feeding windows fall in early morning and the evening. Tie on a small spoon fished deep or a trolled lake-clear wobbler + worm and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 15 ft | dawn & dusk | Main-lake point (14 ft) | Small inline spinner (gold), Tiny spoon |
| Summer | 10 to 30 ft | dawn & dusk | Break off the point (25 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (14 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Break off the point (25 ft) | Small jigging spoon, Tungsten jig + plastic |
Spring rainbow trout on Grassy Lake hold shallow, usually 5 to 20 ft. By summer they slide out to 8 to 30 ft, and by winter most fish are in 8 to 40 ft. The chart's best answer is Break off the point — drop-off, 25 ft, prime for winter. Prime time lands in early morning and the evening. The summer box starts with a dodger + spoon (deep troll) or a flutter spoon.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Main-lake point (14 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (25 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (14 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (25 ft) | Jigging spoon, Tube jig (white) |
In spring, cutthroat trout run shallow here, mostly 3 to 15 ft. Midsummer fish sit out in 10 to 35 ft before dropping to 10 to 40 ft for winter. Summer cutthroat trout concentrate at Break off the point, a prime-rated drop-off around 25 ft. Fish it in early morning and the evening and you'll meet the bite. You won't need more than a trolled spoon (small) or an inline spinner most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (14 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Break off the point (25 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (14 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Break off the point (25 ft) | Small jigging spoon, Marabou jig |
Come spring, look for splake tight to the bank in 5 to 25 ft. Expect a summer slide to 17 to 56 ft, then a winter hold in 10 to 45 ft. Start at Break off the point. It's a drop-off holding about 25 ft of water and rates prime come summer. Prime time lands in early morning and the evening. A trolled spoon at the thermocline or a white tube jig (deep) is the honest summer answer here.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Main-lake point (14 ft) | Small casting spoon (gold/orange), Inline spinner |
| Summer | 17 to 56 ft | dawn & dusk | Break off the point (25 ft) | Trolled spoon at the thermocline, White tube jig (deep) |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (14 ft) | Casting spoon, Jerkbait |
| Winter | 10 to 45 ft | dawn | Break off the point (25 ft) | Jigging spoon tipped with minnow head, Small white tube |
Structure-wise the chart holds 4 features, led in depth by Deep basin at roughly 48 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 Grassy Lake specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Grassy Lake is about 56 ft (17 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, rainbow trout, cutthroat trout, splake on Grassy Lake.
Break off the point is the top-rated area: a drop-off in about 25 ft of water that rates prime for cutthroat trout in summer. The interactive chart above rates every spot for each 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 Grassy 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.
Native Lake 0 mi · Phillips Lake 0 mi · Splake Lake 1 mi · Horseshoe Lake 1 mi · Moose Lake 1 mi · Brooks Lake 3 mi · Cub Lake 3 mi · Dons Lake 3 mi · Norman Lake 4 mi · Blueberry Lake 6 mi · Double Lake 7 mi · Twin Lake 7 mi
See how Grassy Lake stacks up: best rainbow trout lakes in Wyoming · best brook trout lakes in Wyoming · best cutthroat trout lakes in Wyoming · best splake 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.