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
Redfish Lake
Custer County, Idaho · about 1,450 acres (2.3 sq mi)
46°F water, calm this morning.
About Redfish Lake
Redfish Lake is a natural lake in Custer County, Idaho, covering about 1,450 acres. Redfish Lake is named for the sockeye salmon that once turned its waters red during spawning season.
From end to end it runs about 3.5 miles and its shoreline adds up to about 9.1 miles. The water sits about 6,550 ft above sea level. It reaches about 387 ft at its deepest. The nearest town, Sun Valley, is about 40 miles southeast. The closest city is Boise, about 70 miles away.
- Size
- About 1,450 acres (2.3 sq mi)
- Deepest
- About 387 ft
- Shoreline
- About 9.1 miles
- End to end
- About 3.5 miles
- Elevation
- About 6,550 ft
- Type
- Natural lake
- County
- Custer County
The lake from above
Best fishing times
Friday Good
- 7:00 am – 9:15 amsunrise · wind 8 mph
- 3:30 pm – 5:15 pm bestsunset, moon overhead · wind 10 mph
Saturday Good
- 7:00 am – 9:15 amsunrise · wind 3 mph
- 4:00 pm – 5:45 pm bestsunset, moon overhead · wind 3 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
For a lake of this size in Idaho, trout, lake trout and yellow perch are the fish to expect. The state fish and wildlife agency lists what is stocked and the rules for this lake. With the surface at 46°F, the notes below say which of them should be biting.
- GoodTrout
Good range. Near the surface and along shorelines.
- GoodLake trout
Cool surface. They come shallower; try shore points.
- GoodYellow perch
Schooled near weed edges and soft bottom.
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 7:32 am · sunset 5:14 pm · waxing crescent moon (lake time).
Towns and places to stay near Redfish Lake
- Sun Valleyabout 40 mi southeast
- Ketchumabout 40 mi southeast
- Boisenearest city, about 70 mi southwest
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Questions about Redfish Lake
What fish are in Redfish Lake?
Lakes like Redfish Lake usually hold trout, lake trout and yellow perch. Check the state fish and wildlife agency for stocking and limits.
How deep is Redfish Lake?
About 387 ft at the deepest point. The 3-D view shows where the deep water is.
How big is Redfish Lake?
About 1,450 acres, with about 9.1 miles of shoreline.
What town is near Redfish Lake?
Sun Valley is about 40 miles southeast; Ketchum is about 40 miles southeast.
What is the water temperature at Redfish Lake today?
The surface was about 46°F on the latest clear reading. The page updates every day.
Redfish Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.