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12-acre lake near Cody Region. The lake tops out around 19 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. Species by species, here's what the data says the year looks like.
The chart traces 0.7 miles of shoreline here. The shoreline is moderately structured (index 1.7) — enough points and pockets to pattern. About 67% of the surface sits shallower than 15 ft on the modeled chart — that's the weed-and-bait zone. The basin spans about 0.3 mi end to end. You'll find it in Park County. The nearest mapped water is Upper Sheepherder Lake, 1 mi to the southeast.
Spring puts rainbow trout in skinny water — 5 to 19 ft is the zone. Summer fish stay in 5 to 19 ft, and winter fish hold in 4 to 19 ft. Winter rainbow trout concentrate at Break off the point, a prime-rated drop-off around 9 ft. Warm-month bites cluster around early morning and the evening. A dodger + spoon (deep troll) or a flutter spoon covers the summer program.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 19 ft | dawn & dusk | Main-lake point (8 ft) | Inline spinner (silver), Small spoon |
| Summer | 5 to 19 ft | dawn & dusk | Break off the point (9 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 5 to 19 ft | dawn & dusk | Main-lake point (8 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 4 to 19 ft | dawn | Break off the point (9 ft) | Jigging spoon, Tube jig (white) |
The chart marks 4 structure features on Z Lake; the deepest is Deep basin at about 16 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 Z Lake specifically, so confirm the current rules before you fish.
Check the official Wyoming fishing regulations →
Z Lake is about 19 ft (6 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 rainbow trout on Z Lake.
Break off the point is the top-rated area: a drop-off in about 9 ft of water that rates prime for rainbow trout in winter. The interactive chart above rates every spot for each species and season.
For rainbow 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 Z 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.
Upper Sheepherder Lake 1 mi · Heart Lake 1 mi · Lower Sheepherder Lake 1 mi · Flake Lake 1 mi · Wall Lake 1 mi · Night Lake 1 mi · Emerald Lake 2 mi · Jeff Lake 2 mi · Snow Lake 2 mi · Mutt Lake 2 mi · Island Lake 2 mi · Glacier Lake 2 mi
See how Z Lake stacks up: best rainbow 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.