Today on Castle Rock
· Tomorrow & the week: Lake Report or Premium →Best fishing times
All fishTimes by species available in Premium
Wind & weather
National Weather ServiceWhat Castle Rock is best for
DNR data
PerchPanfish, common · stocked7.9
WalleyeCommon7.5
BluegillPanfish, common6.9
CrappiePanfish, common6.9
MuskyPresent · stocked5.4
LargemouthPresent4.4
SmallmouthPresent4.4
Northern pikePresent4.4How we rate
Start from how common the DNR says the fish is (abundant 7.5, common 6, present 3.5). Add 1 if the DNR stocked it in the last 5 years, 0.6 for walleye in two-story or complex lakes, and up to 0.9 for lake size. The DNR counts bluegill, perch and crappie together as panfish, so they share a score.
Depth map
Wisconsin DNRSheets 3 to 3
The DNR drew Castle Rock on 3 sheets.
Tap a map to zoom. Pinch or scroll to zoom in, drag to move.
Not for navigation. Old survey; depths and weed lines change.
Rules on this lake
DNR · checked 2026-10-07| Walleye | 15" min · keep none 20–28" · 1 over 28" · 3 a dayOpen All Year | Open |
| Musky | 50" min · 1 a dayMay 2, 2026 to December 31, 2026 on open water | Open |
| Northern pike | 32" min · 1 a dayOpen All Year | Open |
| Bass | 14" min · 5 a dayOpen All Year | Open |
| Panfish | No size limit · 25 a dayOpen All Year | Open |
| Sturgeon | No fishing | Closed |
| Catfish | No size limit · 10 a dayOpen All Year | Open |
Launches & access
11 public- Nr 29thDirections
- Buckhorn Wildlife Area- Nr 32nd And 16thDirections
- Castle Rock Park (Adams Co.)Directions
- AccessDirections
- Buckhorn Wildlife Area- Nr Cty GDirections
- Buckhorn Wildlife Area - South Of Cty GDirections
- Access near N Cypress LnDirections
- Nr Ganter LnDirections
- County Park Access (Juneau Co)Directions
- Boat Launch E RampDirections
- Buckhorn State Park - Nr 19th (Juneau Co)Directions
Stocking
DNR records| 2025 | 1,000 yellow perch large fingerling, 4" |
| 2024 | 1,000 yellow perch large fingerling, 3.5" 1,200 muskellunge large fingerling, 11" |
| 2023 | 622 muskellunge large fingerling, 11.2" 2,500 muskellunge large fingerling, 11" |
| 2022 | 1,000 yellow perch adult, 4" 624 muskellunge large fingerling, 11" |
| 2021 | 1,000 yellow perch adult, 4" 1,354 muskellunge large fingerling, 12" 616 muskellunge large fingerling, 12.5" |
Before you go
DNRThis is health advice about eating fish, from the DNR. It is not how many you can catch or keep. Catch limits are in Rules.
Eat any amount Bluegill and Sunfish, Bullheads, Crappies, Inland Trout, Yellow Perch
Up to 1 meal a week Bass, Catfish, Pike, Walleye, All Other Species and Sizes
Up to 1 meal a month Muskies
Statewide advice; no lake-specific advisory. Stricter for women who may get pregnant and children under 15. DNR detailsEurasian Water-Milfoil · Zebra Mussel
Drain all water, remove plants and animals, and never move live fish or bait to another lake.Castle Rock board
Catches & reportsLakes near Castle Rock
Within 25 miles| Lake | Miles | Acres | Max depth |
|---|---|---|---|
| New Lisbon LakeJuneau | 7.9 | 60 | 10 ft |
| Arkdale Lake (Millpond)Adams | 9.3 | 55 | 6 ft |
| Rynearson Flowage No. 1Juneau | 9.4 | 570 | 14 ft |
| Suk & Cerney FlowageJuneau | 9.5 | 60 | 2 ft |
| Decorah LakeJuneau | 10.5 | 104 | 15 ft |
| Number Two PoolJuneau | 10.6 | 493 | – |
| Friendship Lake (Millpond)Adams | 11.5 | 115 | 16 ft |
| Big Roche A Cri LakeAdams | 13.1 | 205 | 20 ft |
Castle Rock questions
How deep is Castle Rock Lake?
Castle Rock Lake is 35 feet at its deepest. It covers 13,955 acres.
What fish are in Castle Rock Lake?
The Wisconsin DNR lists panfish (common), walleye (common), musky (present), largemouth bass (present), smallmouth bass (present), northern pike (present), sturgeon (present) and catfish (present).
Where is the boat launch on Castle Rock Lake?
There are 11 public launches: Nr 29th, Buckhorn Wildlife Area- Nr 32nd And 16th, Castle Rock Park (Adams Co.), Access, Buckhorn Wildlife Area- Nr Cty G, Buckhorn Wildlife Area - South Of Cty G, Access near N Cypress Ln, Nr Ganter Ln, County Park Access (Juneau Co), Boat Launch E Ramp and Buckhorn State Park - Nr 19th (Juneau Co).
Do I need a trout stamp to fish Castle Rock Lake?
A Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What is the walleye limit on Castle Rock Lake?
15" min · keep none 20–28" · 1 over 28" · 3 a day. Season: Open All Year.
Is Castle Rock Lake stocked?
Yes. In 2025 the DNR and partners stocked 1,000 yellow perch (large fingerling).
Fish it longer
Today's sheet is always free. Planning ahead takes a report or Premium.Lake Sheet
- Today's best fishing times, all fish
- Wind, weather, sun and moon
- Depth map with depths labeled
- Rules, license and species ratings
- The printable two-page sheet
Lake Report
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- Pick your species
- What to use, where, when and how, every day
- Times by species on the bite clocks
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Sources: Wisconsin DNR (lake facts, species, rules, stocking, consumption advice, survey map), National Weather Service (forecast). Sun and moon computed for the lake's location. Best times are a model of light and moon, not a promise. Checked 2026-10-07.