Will's Slab
- 5 routes
- V0 – V6
- Bouldering
- Jul–Aug
- best months
Is Will's Slab open right now?
Closure in the area
There's a closure order in Chequamegon-Nicolet National Forest. It doesn't name Will's Slab, so check the source for the area it covers (2 listed).
Trail work and picnic area improvements at Morgan Falls/St. Peter's Dome Recreation Area this fall
Agency closure covering Chequamegon-Nicolet National Forest · USFS · Chequamegon-Nicolet National Forest
Forest Order 09-13-25-02 General Occupancy and Use Restrictions
Agency closure covering Chequamegon-Nicolet National Forest · Order 09-13-25-02 · USFS · Chequamegon-Nicolet National Forest
As of · Source: USFS · Chequamegon-Nicolet National Forest. Agencies don't list every closure — check before you go.
Will's Slab is a climbing area in the Great Divide Ranger District of Chequamegon-Nicolet National Forest in northern Wisconsin, on land managed by the Forest Service. Summer is the most comfortable time to climb here. Typical averages from the nearby Clam Lake weather station run to highs around 76°F and lows near 56°F in July, while winter highs stay in the 20s or below. Boulder 81 and Area 81 sit about 0.1 mile away for more climbing. The North Country National 202-383 hike lies about 0.7 mile off, and the Marengo River offers canoeing roughly 2.5 miles away.
Best time to go · Jul–Aug
Best time to visit Will's Slab
Best months: July–August. Best months have typical highs of 55–85 °F, lows of 30 °F or warmer (32 °F where the station doesn't record snow), at most one snowy day and no more than 12 wet days.
Jan
20° / 1°
11 wet
Feb
25° / 1°
9 wet
Mar
36° / 13°
10 wet
Apr
49° / 27°
12 wet
May
63° / 40°
13 wet
Jun
73° / 51°
14 wet
Jul
76° / 56°
12 wet
Aug
75° / 54°
12 wet
Sep
67° / 46°
13 wet
Oct
52° / 34°
14 wet
Nov
37° / 22°
12 wet
Dec
25° / 8°
12 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Clam Lake 4w, WI, 10.2 mi away at 1,498 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
Keep exploring — more climbs worth the drive
CLIMB
Area 82
Next door
Area 82 in Wisconsin has 16 bouldering routes across 9 grades.
CLIMB
Madeline Island
~1h 3m drive
Madeline Island is a 4-route bouldering crag in Minnesota with 3 difficulty grades.
CLIMB
Jumping Rock
~1h 3m drive
Jumping Rock in Minnesota has 6 bouldering routes across 3 difficulty grades.
CLIMB
Apostle Islands
~1h 20m drive
2 bouldering routes at Apostle Islands in Minnesota.
CLIMB
Area 81
Next door
Area 81 is a bouldering crag in Wisconsin with 5 routes.
CLIMB
North Valley
~1 min drive
North Valley in Wisconsin has 5 bouldering routes on 3 difficulty grades.
CLIMB
Bob's Rock
~3 min drive
Bob's Rock in Wisconsin has 15 routes with 9 difficulty grades, offering bouldering, top-rope, and trad climbing.