Sign inSign up free Sign inSign up free Sign inSign up freeShared by DepthScout anglers. Exact spots stay private, always.
24,000-acre lake near Sterling. A large, cold glacial lake in the Kenai National Wildlife Refuge fed by the Kenai and Skilak rivers, famous for big lake trout plus rainbows, Dolly Varden and coho salmon. The lake tops out around 633 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.
Skilak Lake maps at 24,439 acres behind 53.9 miles of shoreline, with 9 islands in the mix. The 2.5 development index tells the story — a convoluted bank whose fishable edge far outruns the acreage. Littoral water — the productive band under ~15 ft — makes up 1% of this chart. End to end it runs roughly 14 mi, about 5.6 mi across. Kenai Peninsula Borough claims this one. Its nearest charted neighbour, Engineer Lake, is 3 mi to the north.
Spring lake trout on Skilak Lake hold shallow, usually 10 to 40 ft. They move out to 50 to 120 ft in summer and finish the year down in 20 to 80 ft. Put Offshore hump first on the milk run — an offshore hump near 44 ft that grades prime for winter. The feeding windows run early morning. The summer box starts with a white tube jig (deep) or a magnum spoon on downrigger.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Secondary point (21 ft) | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | Offshore hump (44 ft) | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Offshore hump (44 ft) | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | Offshore hump (44 ft) | White tube jig, Airplane jig |
When the water first warms, rainbow trout slide up into 5 to 20 ft. Summer is an 8 to 30 ft game here, winter an 8 to 40 ft one. Start at Shoreline point. It's a point holding about 12 ft of water and rates prime come spring. The feeding windows run early morning and the evening. Keep a dodger + spoon (deep troll) or a flutter spoon rigged through the warm months.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Shoreline point (12 ft) | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Skilak River inflow (36 ft) | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Secondary point (21 ft) | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Skilak River inflow (36 ft) | Jigging spoon, Tube jig (white) |
In spring, arctic char run shallow here, mostly 4 to 15 ft. Midsummer fish sit out in 20 to 60 ft before dropping to 10 to 40 ft for winter. Summer arctic char concentrate at Offshore hump, a prime-rated offshore hump around 44 ft. Fish it in early morning and you'll meet the bite. You won't need more than a jigging spoon vertical or a tube jig (smelt) most summer days.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Shallow bay flat (9 ft) | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 20 to 60 ft | dawn | Offshore hump (44 ft) | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Skilak River inflow (36 ft) | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Offshore hump (44 ft) | Jigging spoon (glow/silver), Tungsten jig + plastic |
Spring coho salmon on Skilak Lake hold shallow, usually 3 to 25 ft. By summer they slide out to 30 to 70 ft, and by winter most fish are in 20 to 60 ft. The chart's best answer is Skilak River inflow — inflow / creek mouth, 36 ft, prime for fall. Prime time lands in early morning and the evening. The summer box starts with a dodger + fly or a medium spoon above the thermocline.
| Season | Depth | Best window | Start at | Go-to baits |
|---|---|---|---|---|
| Spring | 3 to 25 ft | dawn & dusk | Secondary point (21 ft) | Small orange dodger + peanut fly, Thin spoon (orange/silver) |
| Summer | 30 to 70 ft | dawn & dusk | Offshore hump (44 ft) | Dodger + fly, Medium spoon above the thermocline |
| Fall | 8 to 40 ft | dawn & dusk | Skilak River inflow (36 ft) | Casting spoon, Spinner (chartreuse) |
| Winter | 20 to 60 ft | midday | Deep basin (631 ft) | Small spoon, slow troll |
The chart marks 13 structure features on Skilak Lake; the deepest is Deep basin at about 631 ft.
Access data: Alaska Dept. of Fish & Game — Launch Ramps. Confirm conditions and fees locally before you launch.
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 Skilak Lake specifically, so confirm the current rules before you fish.
Check the official Alaska fishing regulations →
Skilak Lake is about 633 ft (193 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 lake trout, rainbow trout, arctic char, coho salmon on Skilak Lake.
Skilak River inflow is the top-rated area: an inflow / creek mouth in about 36 ft of water that rates prime for coho salmon in fall. Open the map above to see every rated spot for each species and season.
For lake trout, the summer bite is best in early morning. Each species page section below lists the seasonal windows, and the map shows a live NOW badge when you're inside one.
Fishing on Skilak 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.
Engineer Lake 3 mi · Hidden Lake 4 mi · Kelly Lake 6 mi · Jean Lake 7 mi · Egumen Lake 8 mi · Watson Lake 9 mi · Kenai River (Middle) 10 mi · Lower Russian Lake 11 mi · Upper Russian Lake 16 mi · Swan Lake 18 mi · Cooper Lake 19 mi · Silver Lake 22 mi
See how Skilak Lake stacks up: best rainbow trout lakes in Alaska · best coho salmon lakes in Alaska · best lake trout lakes in Alaska · best arctic char 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.