Michigan · Bouldering · Marquette Charter Township · Near Ishpeming

Cotton Grass

One of six climbs catalogued at Swamp Room, spanning V0- through V5. First ascent by Will O.

Around this trail

Add any of these when you start a trip

Sleep close
NTN Forestville Campground
Campground
Campground · 1.1 mi from the trail
Eat after
Marquette Cinemas Drive Through
Restaurant
On your way back · 3 mi · Open after 6
If it rains
Michigan Iron Industry Museum
Museum
On your way back · 7 mi
Mining museum in Negaunee, Michigan

Also worth it near here
- Sugarloaf MountainSummit · ~1 min drivePhoto: The ed17, CC BY-SA 4.0 (via Wikimedia Commons)
- Little Presque Isle/Harlow Lake TrailsHiking · ~2 min drivePhoto: On the White Line, CC BY 2.0 (via Flickr)
- NTN Forestville CampgroundCamping · ~2 min drive
- Noquemanon TrailCross-country skiing · ~2 min drive
Best time to visit Cotton Grass
Best months: May–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.
1. Jan
  25° / 12°
  17 wet · 17 snow
2. Feb
  27° / 12°
  13 wet · 13 snow
3. Mar
  35° / 21°
  11 wet · 9 snow
4. Apr
  46° / 31°
  10 wet · 4 snow
5. May
  59° / 41°
  12 wet
6. Jun
  68° / 50°
  12 wet
7. Jul
  75° / 58°
  11 wet
8. Aug
  74° / 58°
  11 wet
9. Sep
  67° / 52°
  13 wet
10. Oct
  54° / 40°
  14 wet · 1 snow
11. Nov
  41° / 29°
  14 wet · 7 snow
12. Dec
  30° / 19°
  15 wet · 13 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Marquette, MI, 5.5 mi away at 665 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.