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Castle Rock Lake
Juneau & Adams counties, Wisconsin · WBIC 1345700
13,955Acres
35ftMax depth
11Launches
Depth in feet
✕ Deepest spot, 35 ftDNR survey map, sheet 1 of 3; all sheets on the lake page. Not for navigation.
Best fishing times All fish
GoodFairSlow
Best windows today, all fish
Times by species available in Premium · lakesheet.com/premium
Wind & weather National Weather Service
Forecast not loaded. Check weather.gov before you go.
Sources: Wisconsin DNR (lake facts, rules, survey map), National Weather Service. Sun and moon computed for the lake. Best times are a model of light and moon, not a promise. Lake Sheet is not affiliated with the DNR.
Lake SheetCastle Rock Lake · back
Rules, log & local dealsWrite it down. Post it later.
Rules on this lake DNR · checked 2026-10-07
| Fish | Rule | |
|---|---|---|
 Walleye | 15" min · keep none 20–28" · 1 over 28" · 3/day | Open |
 Musky | 50" min · 1/day | Open |
 Northern pike | 32" min · 1/day | Open |
 Bass | 14" min · 5/day | Open |
 Panfish | No size limit · 25/day | Open |
| Sturgeon | No fishing | Closed |
| Catfish | No size limit · 10/day | Open |
License: Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What Castle Rock is best for out of 10
Perch7.9Walleye7.5Bluegill6.9
Crappie6.9Musky5.4
Largemouth4.4Smallmouth4.4Northern pike4.4Sturgeon4.4
Catfish4.4
Trip log Date ____ / ____ Water temp ____°F Wind ______
| Time | Spot / depth | Bait | Fish | Length | Kept |
|---|---|---|---|---|---|
Measure it Print at 100% and this ruler is true to size
inches
Caught one? Post it.
Scan with your phone camera to open the Castle Rock board. Post your catch and the water temp. Your spot stays hidden unless you choose to share it.
lakesheet.com/lakes/adams/castle-rock-lake-1345700/Clean, drain, dry2 invasive species here. Remove plants and animals, drain all water, never move live fish or bait.
Eating adviceHealth advice, not a catch limit: eat no more than 1 meal a month of muskies. See the DNR fish consumption guide.
EmergencyCall 911. Say "Castle Rock Lake, Adams County" and the nearest launch (Nr 29th).
Fishing more than one day?The Castle Rock Lake Report: where, when and how for each fish you pick, every day of your trip. $19.
lakesheet.com/reports