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768-acre lake in Duchesne County, Utah. The lake tops out around 73 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. Species by species, here's what the data says the year looks like.
Traced from the shoreline, Moon Lake runs 779 acres with 7.7 miles of edge. Index 2 on the shoreline: a few honest points and pockets, nothing labyrinthine. The shallow band under 15 ft claims about 11% of the surface on the model — that's where the groceries are. End to end it runs roughly 3.1 mi, about 1.1 mi across. You'll find it in Duchesne County. For a second option, Dean Lake lies 15 mi northwest.
Start shallow in spring: brook trout sit in 2 to 15 ft that time of year. Summer pushes them deeper, 10 to 30 ft, and winter fish settle into 3 to 20 ft. The spot to know is Break off the point, a drop-off in about 33 ft of water that rates prime for brook trout in summer. Warm-month bites cluster around early morning and the evening. Throw a small spoon fished deep or a trolled lake-clear wobbler + worm until the fish tell you otherwise.
| 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 | Break off the point (33 ft) | Small spoon fished deep, Trolled lake-clear wobbler + worm |
| Fall | 2 to 15 ft | midday & dawn | Main-lake point (18 ft) | Small spoon (orange), Spinner |
| Winter | 3 to 20 ft | dawn | Shallow bay flat (6 ft) | Small jigging spoon, Tungsten jig + plastic |
When the water first warms, lake whitefish slide up into 15 to 45 ft. Summer is a 22 to 73 ft game here, winter a 25 to 70 ft one. Start at Deep basin. It's a deep basin holding about 62 ft of water and rates prime come summer. The feeding windows run early morning. Keep a blade bait vertical or a small jigging spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 15 to 45 ft | midday & dawn | Break off the point (33 ft) | Small jig + waxworm, Blade bait (small) |
| Summer | 22 to 73 ft | dawn | Deep basin (62 ft) | Blade bait vertical, Small jigging spoon |
| Fall | 8 to 30 ft | dusk | Main-lake point (18 ft) | Small spoon (gold), Jig + plastic larva |
| Winter | 25 to 70 ft | midday & dawn | Deep basin (62 ft) | Jigging spoon + bead chain, Tungsten jig + waxie |
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 33 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 (18 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Break off the point (33 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Break off the point (33 ft) | Jigging spoon, Tube jig (white) |
The spring pattern is a shallow one: splake in 5 to 25 ft. Midsummer fish sit out in 25 to 60 ft before dropping to 10 to 45 ft for winter. The spot to know is Break off the point, a drop-off in about 33 ft of water that rates prime for splake in summer. Plan around early morning and the evening in the warm months. Summer baits: a trolled spoon at the thermocline or a white tube jig (deep) gets it done.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 25 ft | dawn & dusk | Main-lake point (18 ft) | Small casting spoon (gold/orange), Inline spinner |
| Summer | 25 to 60 ft | dawn & dusk | Break off the point (33 ft) | Trolled spoon at the thermocline, White tube jig (deep) |
| Fall | 10 to 35 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon, Jerkbait |
| Winter | 10 to 45 ft | dawn | Break off the point (33 ft) | Jigging spoon tipped with minnow head, Small white tube |
Start shallow in spring: arctic grayling sit in 2 to 10 ft that time of year. Summer pushes them deeper, 3 to 15 ft, and winter fish settle into 8 to 25 ft. The spot to know is Shallow bay flat, a feeding flat in about 6 ft of water that rates prime for arctic grayling in summer. Warm-month bites cluster around the evening and early morning. Throw a dry fly (parachute adams, elk hair caddis) or a small inline spinner until the fish tell you otherwise.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 2 to 10 ft | midday & dusk | Shallow bay flat (6 ft) | 1/16 oz spinner (silver), Small dry fly (Adams, Griffith's) |
| Summer | 3 to 15 ft | dusk & dawn | Shallow bay flat (6 ft) | Dry fly (parachute Adams, elk hair caddis), Small inline spinner |
| Fall | 6 to 20 ft | midday | Break off the point (33 ft) | Small spoon, Beadhead nymph under indicator |
| Winter | 8 to 25 ft | midday & dawn | Shallow bay flat (6 ft) | Tungsten jig + waxworm, Small jigging spoon (gold) |
Early season cutthroat trout use the shallows, holding in 3 to 15 ft. Expect a summer slide to 10 to 35 ft, then a winter hold in 10 to 40 ft. Put Break off the point first on the milk run — a drop-off near 33 ft that grades prime for summer. In summer the feeding windows fall in early morning and the evening. Tie on a trolled spoon (small) or an inline spinner and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 15 ft | dawn & dusk | Main-lake point (18 ft) | Inline spinner (silver/gold), Small spoon |
| Summer | 10 to 35 ft | dawn & dusk | Break off the point (33 ft) | Trolled spoon (small), Inline spinner |
| Fall | 5 to 25 ft | dawn & dusk | Main-lake point (18 ft) | Casting spoon, Inline spinner |
| Winter | 10 to 40 ft | dawn | Break off the point (33 ft) | Small jigging spoon, Marabou jig |
Moon Lake also holds kokanee (30 to 70 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Structure-wise the chart holds 6 features, led in depth by Deep basin at roughly 62 ft.
| Date | Species | Count | Size |
|---|---|---|---|
| Jul 16 | Walleye | 1,125 | ~4.6" |
| Jul 13 | Tiger Trout | 1,404 | ~10.6" |
| Jun 17 | Splake trout | 6,660 | ~2.5" |
| Jun 6 | Rainbow trout | 3,211 | ~11.4" |
| May 26 | Rainbow trout | 991 | ~10.7" |
| May 26 | Rainbow trout | 992 | ~11" |
| May 22 | Rainbow trout | 2,470 | ~11" |
| Aug 5, 2025 | Splake trout | 6,508 | ~3.1" |
Source: Utah DWR fish-stocking report, retrieved 2026-08-18.
Season dates, license requirements, and size and bag limits for Utah waters are set by the Utah Division of Wildlife Resources — and special regulations can apply to Moon Lake specifically, so confirm the current rules before you fish.
Check the official Utah fishing regulations →
Moon Lake is about 73 ft (22 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, lake whitefish, rainbow trout, splake, arctic grayling, cutthroat trout, kokanee on Moon Lake.
Deep basin is the top-rated area: a deep basin in about 62 ft of water that rates prime for lake whitefish 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.
Yes — per Utah DWR fish-stocking report records, Moon Lake was most recently stocked Jul 16 with 1,125 walleye. The full stocking history is listed above.
Fishing on Moon Lake is regulated by the Utah Division of Wildlife Resources. Check the official Utah regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Dean Lake 15 mi · Lake Blanchard 16 mi · Big Sand Wash 24 mi · Uinta Mountains, North Slope Roadside Lakes 25 mi · Red Creek Reservoir 26 mi · Starvation Reservoir 27 mi · Stateline Res 28 mi · Spirit Lake 32 mi · Mill Hollow Reservoir 32 mi · Currant Creek Reservoir 34 mi · Smith and Morehouse Reservoir 34 mi · Graham Reservoir Number 1 34 mi, WY
See how Moon Lake stacks up: best rainbow trout lakes in Utah · best brook trout lakes in Utah · best kokanee lakes in Utah · best lake whitefish lakes in Utah
More water nearby: Duchesne County fishing maps (5 charts). Browse all Utah 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.