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21-acre stocked lake in the Mat-Su area. ADF&G sonar-surveyed water with stocked rainbow trout. The lake tops out around 23 ft. The depth chart is built from real state fisheries GPS surveys, so the humps, channels and drop-offs you see are measured, not guessed. Here's the year, species by species, as the scoring engine sees it.
The drawn water covers 21 acres wrapped in 0.8 miles of bank. A shoreline index of 1.2 says round and simple: fish relate to depth changes here, not shoreline features. Roughly 52% of the water is 15 ft or less, the band where the food chain lives. End to end it runs roughly 0.3 mi, about 0.2 mi across. Kenai Peninsula Borough claims this one. If the bite dies, Bird Lake is 27 mi to the southeast.
Early season rainbow trout use the shallows, holding in 5 to 20 ft. Summer is a 6 to 23 ft game here, winter a 5 to 23 ft one. The chart's best answer is Shallow feeding flat — feeding flat, 19 ft, good for spring. Best bite is early morning and the evening. Tie on a dodger + spoon (deep troll) or a flutter spoon and you're in the game.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shallow feeding flat (19 ft) | Inline spinner (silver), Small spoon |
| Summer | 6 to 23 ft | dawn & dusk | Shallow feeding flat (19 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 7 to 23 ft | dawn & dusk | open water | Casting spoon, Jerkbait over shoals |
| Winter | 5 to 23 ft | dawn | open water | Jigging spoon, Tube jig (white) |
Upper Lilly Lake carries 1 mapped structure features, topping out (or rather bottoming out) at Shallow feeding flat, about 19 ft down.
Season dates, license requirements, and size and bag limits for Alaska waters are set by the Alaska Department of Fish and Game — and special regulations can apply to Upper Lilly Lake specifically, so confirm the current rules before you fish.
Check the official Alaska fishing regulations →
Upper Lilly Lake is about 23 ft (7 m) deep at its deepest point. The depth chart here comes from real state fisheries GPS surveys, so the contours reflect measured depths.
Anglers target rainbow trout on Upper Lilly Lake.
Shallow feeding flat is the top-rated area: a feeding flat in about 19 ft of water that rates good for rainbow trout in spring. 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 Upper Lilly Lake is regulated by the Alaska Department of Fish and Game. Check the official Alaska regulations for current license requirements, season dates, and size and bag limits — special regulations can apply to this specific water.
Bird Lake 27 mi · Pepper Lake 32 mi · Paddle Lake 34 mi · Silver Lake 37 mi · Campbell Point Lake 37 mi · Swan Lake 39 mi · Sand Lake 39 mi · Jewel Lake 39 mi · DeLong Lake 39 mi · Taku Lake 42 mi · Waldron Lake 43 mi · Lake Otis 43 mi
See how Upper Lilly Lake stacks up: best rainbow trout lakes in Alaska
More water nearby: Kenai Peninsula Borough fishing maps (23 charts). Browse all Alaska fishing maps or see every water on DepthScout. Bathymetry credit: state fisheries survey programs. 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.