Group Campground
Campground
Campground · 1.0 mi from the trail
Wisconsin · Bouldering · Sumpter · Near Spring Green
Thin Crack
- V4
- grade
- Bouldering Pads
- style
- Apr, Jun–Oct
- best months
One of 48 boulder problems catalogued at The Reserve, this climb sits in the middle of the crag's range from V0 to V10-11.
Around this trail
Add any of these when you start a tripSleep close Eat after - If it rains
Railway museum in North Freedom, Wisconsin, USA
Places © OpenStreetMap contributors
More in Spring Green
Amazing PillarRock climbing · Next doorPhoto: Corey Coyle, CC BY 3.0 (via Wikimedia Commons)- Green FireRock climbing · Next doorPhoto: Corey Coyle, CC BY 3.0 (via Wikimedia Commons)
- White KnightRock climbing · Next doorPhoto: Corey Coyle, CC BY 3.0 (via Wikimedia Commons)
- Shark ToothRock climbing · Next door
- Ejaculator AreaRock climbing · Next door
- Midwest Connection TalusRock climbing · Next door
- Ghost TalusRock climbing · Next door
- South BluffRock climbing · Next door
- Devil's LakeRock climbing · ~1 min drive
- BoomtownRock climbing · ~1 min drive
Also worth it near here
Best time to visit Thin Crack
Best months: April and June–October. 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
28° / 10°
8 wet
Feb
32° / 12°
7 wet
Mar
44° / 23°
9 wet
Apr
57° / 34°
11 wet
May
70° / 46°
13 wet
Jun
79° / 56°
12 wet
Jul
83° / 60°
10 wet
Aug
81° / 58°
10 wet
Sep
74° / 50°
10 wet
Oct
61° / 38°
10 wet
Nov
45° / 28°
9 wet
Dec
33° / 17°
9 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Baraboo, WI, 3.7 mi away at 823 ft. The station sits about 600 ft lower than this place, so expect it a little cooler here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
