The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (point drop-off) is open for everyone; the other 6 come with LakeScope PRO. Full screen
Iliamna Lake
Lake and Peninsula, Alaska · 648,000 acres (1012.5 sq mi)
38°F water, calm Sunday morning.
About Iliamna Lake
Iliamna Lake spreads over 648,000 acres in Lake and Peninsula, Alaska. Iliamna Lake is the largest lake in Alaska and home to one of the world's few populations of freshwater seals.
It stretches about 71.6 miles end to end and its shoreline adds up to about 460 miles. The water sits about 40 ft above sea level. The deepest water is about 988 ft, with an average depth near 144 ft.
- Size
- 648,000 acres (1012.5 sq mi)
- Deepest
- About 988 ft (average 144 ft)
- Shoreline
- About 460 miles
- End to end
- About 71.6 miles
- Elevation
- About 40 ft
- Type
- Natural lake
- County
- Lake and Peninsula
The lake from above
Best fishing times
Friday Good
- 9:00 am – 10:45 amsunrise · wind 5 mph
- 3:45 pm – 5:30 pm bestsunset, moon overhead · wind 5 mph
Saturday Good
- 3:15 pm – 6:30 pm bestsunset, moonrise, moon overhead · wind 10 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Iliamna Lake
Iliamna Lake holds trout, lake trout and northern pike. With the surface at 38°F, the notes below say which of them should be biting.
- FairTrout
Cold. Slow and near the surface on sunny days.
- GoodLake trout
Cool surface. They come shallower; try shore points.
- FairNorthern pike
Cold. Slow baits near weed edges and drop-offs.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Point drop-off
The bottom falls away fast off this point; fish rest deep and move up the slope to feed.
- 2
- 3
- 4
- 5
- 6
- 7
6 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 9:12 am · sunset 4:56 pm · waxing crescent moon (lake time).
Towns and places to stay near Iliamna Lake
Prices and availability come from booking partners; we may earn a commission at no cost to you.
Questions about Iliamna Lake
What fish are in Iliamna Lake?
Iliamna Lake holds trout, lake trout and northern pike. Check the state fish and wildlife agency for stocking and limits.
How deep is Iliamna Lake?
About 988 ft at the deepest point, about 144 ft on average. The 3-D view shows where the deep water is.
How big is Iliamna Lake?
648,000 acres, with about 460 miles of shoreline.
What is the water temperature at Iliamna Lake today?
The surface was about 38°F on the latest clear reading. The page updates every day.
Iliamna Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
