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4-acre stocked lake in the Anchorage area. ADF&G sonar-surveyed water with stocked rainbow trout and 1 more species. The lake tops out around 85 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. What follows comes from the same scoring engine that paints the spots above.
Drawn out, this is 4 acres of water rimmed by 0.3 miles of bank. The basin is a simple one (shoreline index 1.3) — close to a bowl, so the structure on the chart matters more than the bank. Littoral water — the productive band under ~15 ft — makes up 0% of this chart. The water lies in Anchorage Borough. Closest neighbour on DepthScout: Fish Lake, 0 mi northeast of here.
Spring puts rainbow trout in skinny water — 5 to 20 ft is the zone. Warm water sends them out to 8 to 30 ft; cold water stacks them in 8 to 40 ft. Plan around early morning and the evening in the warm months. 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 20 ft | dawn & dusk | open water | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | open water | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | open water | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | open water | Jigging spoon, Tube jig (white) |
In spring, chinook salmon run shallow here, mostly 5 to 40 ft. Summer pushes them deeper, 26 to 85 ft, and winter fish settle into 26 to 85 ft. Time it for early morning and the evening. You won't need more than a flasher + fly (green/white) or a magnum spoon on downrigger most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 40 ft | dawn & dusk | open water | Trolled spoon (orange/gold), Stickbait off planer boards |
| Summer | 26 to 85 ft | dawn & dusk | open water | Flasher + fly (green/white), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dawn & dusk | open water | J-plug (glow), Flasher + fly |
| Winter | 26 to 85 ft | midday | open water | Small spoon on a slow troll, Stickbait deep |
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 Triangle Lake specifically, so confirm the current rules before you fish.
Check the official Alaska fishing regulations →
Triangle Lake is about 85 ft (26 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, chinook salmon on Triangle Lake.
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 Triangle 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.
Fish Lake 0 mi · Hillberg Lake 1 mi · Spring Lake 1 mi · Green Lake 1 mi · Upper Six Mile Lake 2 mi · Otter Lake 3 mi · Gwen Lake 5 mi · Cheney Lake 5 mi · Lake Otis 6 mi · University Lake 6 mi · Waldron Lake 7 mi · Thompson Lake 8 mi
See how Triangle Lake stacks up: best rainbow trout lakes in Alaska · best chinook salmon lakes in Alaska
More water nearby: Anchorage Borough fishing maps (29 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.