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 4 come with LakeScope PRO. Full screen
Alexander Reservoir
Caribou County, Idaho · about 1,010 acres (1.6 sq mi)
46°F water, calm this morning.
About Alexander Reservoir
Alexander Reservoir is a lake in Caribou County, Idaho, covering about 1,010 acres.
It stretches about 4 miles end to end and its shoreline adds up to about 11.2 miles. Its surface is about 5,720 ft above sea level. Soda Springs is on the shore. Pocatello, the nearest city, is about 41 miles west.
- Size
- About 1,010 acres (1.6 sq mi)
- Shoreline
- About 11.2 miles
- End to end
- About 4 miles
- Elevation
- About 5,720 ft
- County
- Caribou County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise · wind 7 mph
- 3:30 pm – 5:00 pm bestsunset, moon overhead · wind 10 mph
Saturday Good
- 3:45 pm – 5:45 pm bestsunset, moon overhead · wind 7 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, yellow perch and smallmouth bass 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.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- SlowSmallmouth bass
Cold. Slow presentations on deep rock.
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
4 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 7:16 am · sunset 5:05 pm · waxing crescent moon (lake time).
Towns and places to stay near Alexander Reservoir
- Soda Springson the shore
- Condaabout 6.8 mi northeast
- Montpelierabout 28 mi southeast
- Pocatellonearest city, about 41 mi west
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Questions about Alexander Reservoir
What fish are in Alexander Reservoir?
Lakes like Alexander Reservoir usually hold trout, yellow perch and smallmouth bass. Check the state fish and wildlife agency for stocking and limits.
How deep is Alexander Reservoir?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Alexander Reservoir?
About 1,010 acres, with about 11.2 miles of shoreline.
What town is near Alexander Reservoir?
Soda Springs is on the shore; Conda is about 6.8 miles northeast.
What is the water temperature at Alexander Reservoir today?
The surface was about 46°F on the latest clear reading. The page updates every day.
Alexander Reservoir on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.