Today on Boulder
· Tomorrow & the week: Lake Report or Premium →Best fishing times
All fishTimes by species available in Premium
Wind & weather
National Weather ServiceWhat Boulder is best for
DNR data
BluegillPanfish, common6.5
PerchPanfish, common6.5
CrappiePanfish, common6.5
LargemouthCommon6.5
WalleyePresent4.6
SmallmouthPresent4.0
Northern pikePresent4.0How 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 DNRTap 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 2026-10-08| Walleye | 15" min · keep none 20–24" · 1 over 24" · 3 a dayMay 2, 2026 to March 7, 2027 | Open |
| Northern pike | No size limit · 5 a dayMay 2, 2026 to March 7, 2027 | Open |
| Bass | 14" min · 5 a dayMay 2, 2026 to March 7, 2027 | Open |
| Panfish | No size limit · 25 a dayOpen All Year | Open |
| Sturgeon | No fishing | Closed |
Launches & access
1 public- Access at Campground (off Boulder Campground Ln)Directions
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 detailsBanded Mystery Snail · Eurasian Water-Milfoil
Drain all water, remove plants and animals, and never move live fish or bait to another lake.Ice on Boulder
Reports & estimateReviews
No reviews yetNear Boulder
Local dealsLocal bait shops, resorts and supper clubs can put a coupon here and on the printed sheet, free for a year. Add your business
Boulder board
Catches & reportsLakes near Boulder
Within 25 miles| Lake | Miles | Acres | Max depth |
|---|---|---|---|
| Star LakeOconto | 5.9 | 63 | 21 ft |
| White LakeLanglade | 6.6 | 166 | 42 ft |
| Rose LakeLanglade | 7 | 109 | 25 ft |
| Chicken Foot LakeOconto | 7.2 | 50 | 20 ft |
| Shay LakeOconto | 7.6 | 50 | 36 ft |
| Boot LakeOconto | 8.1 | 235 | 38 ft |
| Bass LakeOconto | 8.8 | 142 | 40 ft |
| Sawyer LakeLanglade | 9.1 | 168 | 30 ft |
Boulder questions
How deep is Boulder Lake?
Boulder Lake is 11 feet at its deepest, and 7 feet deep on average. It covers 370 acres.
What fish are in Boulder Lake?
The Wisconsin DNR lists panfish (common), largemouth bass (common), smallmouth bass (present), northern pike (present) and walleye (present).
Where is the boat launch on Boulder Lake?
There is 1 public launch: Access at Campground (off Boulder Campground Ln).
Do I need a trout stamp to fish Boulder Lake?
A Wisconsin fishing license covers this lake. No trout or Great Lakes stamp needed here.
What is the walleye limit on Boulder Lake?
15" min · keep none 20–24" · 1 over 24" · 3 a day. Season: May 2, 2026 to March 7, 2027.
Fish it longer
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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 2026-10-08.