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 3 come with LakeScope PRO. Full screen
Castle Rock Lake
Juneau County, Wisconsin · 16,600 acres (26 sq mi)
52°F water, calm this morning.
About Castle Rock Lake
Castle Rock Lake is a reservoir in Juneau County, Wisconsin, covering 16,600 acres. It was made by Castle Rock Dam on the Wisconsin River. Castle Rock Lake is Wisconsin's fourth-largest lake, formed within the bed of the former Glacial Lake Wisconsin.
It stretches about 13.4 miles end to end and its shoreline adds up to about 63 miles. The water sits about 880 ft above sea level. The deepest water is about 35 ft, with an average depth near 13 ft. Adams is about 5.4 miles east.
- Size
- 16,600 acres (26 sq mi)
- Deepest
- About 35 ft (average 13 ft)
- Shoreline
- About 63 miles
- End to end
- About 13.4 miles
- Elevation
- About 880 ft
- Type
- Reservoir
- Dam
- Castle Rock Dam, Wisconsin River
- County
- Juneau County
The lake from above
Best fishing times
Saturday Good
- 6:15 am – 8:30 amsunrise · wind 5 mph
- 3:15 pm – 5:15 pm bestsunset, moon overhead · wind 5 mph
Sunday Good
- 6:15 am – 8:30 amsunrise · wind 0 mph
- 4:00 pm – 5:15 pm bestsunset, moon overhead · wind 0 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish in Castle Rock Lake
Castle Rock Lake holds walleye, white bass, crappie, northern pike, largemouth bass, smallmouth bass, bluegill and sunfish and muskie. With the surface at 52°F, the notes below say which of them should be biting.
- GoodWalleye
Prime range. Low light is best, on reefs and weed edges.
- FairWhite bass
Schooled on deeper humps. A slow spoon works.
- FairCrappie
Schooled on deeper brush piles. Fish small jigs slowly.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- FairLargemouth bass
Cooling down. Try slow baits on points and deeper channel edges.
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
3 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 6:52 am · sunset 4:35 pm · waxing crescent moon (lake time).
Towns and places to stay near Castle Rock Lake
- Adamsabout 5.4 mi east
- Friendshipabout 5.4 mi east
- New Lisbonabout 5.8 mi southwest
- Maustonabout 6.9 mi southwest
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Questions about Castle Rock Lake
What fish are in Castle Rock Lake?
Castle Rock Lake holds walleye, white bass, crappie, northern pike, largemouth bass, smallmouth bass, bluegill and sunfish and muskie. Check the state fish and wildlife agency for stocking and limits.
How deep is Castle Rock Lake?
About 35 ft at the deepest point, about 13 ft on average. The 3-D view shows where the deep water is.
How big is Castle Rock Lake?
16,600 acres, with about 63 miles of shoreline.
What town is near Castle Rock Lake?
Adams is about 5.4 miles east; Friendship is about 5.4 miles east.
What is the water temperature at Castle Rock Lake today?
The surface was about 52°F on the latest clear reading. The page updates every day.
Castle Rock Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
