Sign inSign up freeRecent catches at Iliamna Lake
Shared by DepthScout anglers. Exact spots stay private, always.
Fishing Iliamna Lake: what the data says
648,000-acre lake near Iliamna. Alaska's largest lake and the world's greatest sockeye-salmon nursery, a vast Bristol Bay water holding trophy lake trout, huge rainbows, Arctic char, grayling, pike and whitefish. The lake tops out around 988 ft. The contours are modeled from the water's real shoreline and maximum depth. Treat them as a rough guide, and never use them for navigation. What follows comes from the same scoring engine that paints the spots above.
Lake Trout fishing at Iliamna Lake
Spring lake trout on Iliamna Lake hold shallow, usually 10 to 40 ft. By summer they slide out to 50 to 120 ft, and by winter most fish are in 20 to 80 ft. Rock reef is the standout, a rock pile at roughly 10.880645378058599 ft, rated prime for fall lake trout. Plan around early morning in the warm months. A white tube jig (deep) or a magnum spoon on downrigger covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 10 to 40 ft | dawn & dusk | Casting spoon over shoals, Jerkbait (shallow) |
| Summer | 50 to 120 ft | dawn | White tube jig (deep), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dusk & dawn | Heavy casting spoon, Jigging rap over reefs |
| Winter | 20 to 80 ft | dawn | White tube jig, Airplane jig |
Arctic Char fishing at Iliamna Lake
Start shallow in spring: arctic char sit in 4 to 15 ft that time of year. Summer pushes them deeper, 20 to 60 ft, and winter fish settle into 10 to 40 ft. The spot to know is Offshore hump, a offshore hump in about 39.723386191459824 ft of water that rates prime for arctic char in summer. Plan around early morning in the warm months. A jigging spoon vertical or a tube jig (smelt) covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 4 to 15 ft | midday & dawn | Small casting spoon (silver/orange), Jerkbait (small) |
| Summer | 20 to 60 ft | dawn | Jigging spoon vertical, Tube jig (smelt) |
| Fall | 8 to 30 ft | midday & dusk | Casting spoon (orange/gold), Beadhead streamer |
| Winter | 10 to 40 ft | midday & dawn | Jigging spoon (glow/silver), Tungsten jig + plastic |
Arctic Grayling fishing at Iliamna Lake
Start shallow in spring: arctic grayling sit in 2 to 10 ft that time of year. By summer they slide out to 3 to 15 ft, and by winter most fish are in 8 to 25 ft. If you only fish one area, make it Newhalen River inflow: a inflow / creek mouth around 8 ft that scores prime in spring. In summer the feeding windows fall in the evening and early morning. A dry fly (parachute adams, elk hair caddis) or a small inline spinner covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 10 ft | midday & dusk | 1/16 oz spinner (silver), Small dry fly (Adams, Griffith's) |
| Summer | 3 to 15 ft | dusk & dawn | Dry fly (parachute Adams, elk hair caddis), Small inline spinner |
| Fall | 6 to 20 ft | midday | Small spoon, Beadhead nymph under indicator |
| Winter | 8 to 25 ft | midday & dawn | Tungsten jig + waxworm, Small jigging spoon (gold) |
Northern Pike fishing at Iliamna Lake
Spring northern pike on Iliamna Lake hold shallow, usually 2 to 8 ft. Summer pushes them deeper, 8 to 20 ft, and winter fish settle into 5 to 15 ft. If you only fish one area, make it Shallow bay flat: a weed flat around 6 ft that scores prime in spring. Plan around early morning and the evening in the warm months. A bucktail or a weedless spoon over cabbage covers the summer program.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 2 to 8 ft | midday & dawn | #5 inline spinner, Spoon (red/white) |
| Summer | 8 to 20 ft | dawn & dusk | Bucktail, Weedless spoon over cabbage |
| Fall | 6 to 18 ft | midday & dawn | Big rubber (Bull Dawg style), Husky-style jerkbait |
| Winter | 5 to 15 ft | midday | Tip-ups, Large jigging spoon |
Rainbow Trout fishing at Iliamna Lake
In spring, rainbow trout run shallow here, mostly 5 to 20 ft. Summer pushes them deeper, 8 to 30 ft, and winter fish settle into 8 to 40 ft. Newhalen River inflow is the standout, a inflow / creek mouth at roughly 8 ft, rated prime for spring rainbow trout. 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 | Go-to baits |
|---|---|---|---|
| Spring | 5 to 20 ft | dawn & dusk | Inline spinner (silver), Small spoon |
| Summer | 8 to 30 ft | dawn & dusk | Dodger + spoon (deep troll), Flutter spoon |
| Fall | 10 to 35 ft | dawn & dusk | Casting spoon, Jerkbait over shoals |
| Winter | 8 to 40 ft | dawn | Jigging spoon, Tube jig (white) |
Chinook Salmon fishing at Iliamna Lake
Spring chinook salmon on Iliamna Lake hold shallow, usually 5 to 40 ft. They move out to 50 to 120 ft in summer and finish the year down in 30 to 90 ft. The spot to know is Newhalen River inflow, a inflow / creek mouth in about 8 ft of water that rates prime for chinook salmon in spring. Plan around early morning and the evening in the warm months. Summer baits: a flasher + fly (green/white) or a magnum spoon on downrigger gets it done.
| Season | Depth | Best window | Go-to baits |
|---|---|---|---|
| Spring | 5 to 40 ft | dawn & dusk | Trolled spoon (orange/gold), Stickbait off planer boards |
| Summer | 50 to 120 ft | dawn & dusk | Flasher + fly (green/white), Magnum spoon on downrigger |
| Fall | 10 to 50 ft | dawn & dusk | J-plug (glow), Flasher + fly |
| Winter | 30 to 90 ft | midday | Small spoon on a slow troll, Stickbait deep |
Iliamna Lake also holds lake whitefish (40 to 90 ft in summer), cisco (lake herring) (40 to 80 ft in summer). Pick any of them on the map above for rated spots and bait picks.
Notable structure
- Deep basin: deep basin, around 840 ft
- Old creek channel: creek channel, around 494 ft
- Break off the point: drop-off, around 445 ft
- Main-lake point: point, around 247 ft
- Secondary point: point, around 247 ft
- Offshore hump: offshore hump, around 39.723386191459824 ft
- Offshore hump: offshore hump, around 17.747229166512472 ft
- Shoreline point: point, around 12.4677329691266 ft
- Rock reef: rock pile, around 10.880645378058599 ft
- Rock reef: rock pile, around 9.665789521820034 ft
- Rock reef: rock pile, around 8.455828560320038 ft
- Newhalen River inflow: inflow / creek mouth, around 8 ft
- Pile River inflow: inflow / creek mouth, around 8 ft
- Shallow flat: weed flat, around 8 ft
Common questions
How deep is Iliamna Lake?
Iliamna Lake is about 988 ft 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.
What fish are in Iliamna Lake?
Anglers target northern pike, rainbow trout, chinook salmon, lake trout, lake whitefish, arctic grayling, arctic char, cisco (lake herring) on Iliamna Lake.
Where is the best fishing spot on Iliamna Lake?
Newhalen River inflow is the top-rated area: a inflow / creek mouth in about 8 ft of water that rates prime for arctic grayling in spring. Open the map above to see every rated spot for each species and season.
When is the best time to fish Iliamna Lake?
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.
Nearby waters
Crescent Lake · Becharof Lake · Upper Ugashik Lake · Lower Ugashik Lake · Kasilof River · Tustumena Lake
See how Iliamna Lake stacks up: best northern pike lakes in Alaska · best rainbow trout lakes in Alaska · best chinook salmon lakes in Alaska · best lake trout lakes in Alaska
Browse all Alaska fishing maps or every water on DepthScout. How we build these maps. For fishing guidance only, never navigation.