Michigan · Bouldering · Marquette · Near Ishpeming

Upper Boulder

One of nine boulders catalogued at Black Rocks, this climb sits in the middle range of the crag's V0–V6 span.

Around this trail

Add any of these when you start a trip

Sleep close
NTN Forestville Campground
Campground
Campground · 4.9 mi from the trail
Eat afterThe ed17, CC BY-SA 4.0 · Wikimedia Commons
Blackrocks Brewery
Brewery
On your way back · 3 mi · Open after 6
Craft brewery in Michigan
If it rains
Michigan Iron Industry Museum
Museum
On your way back · 10 mi
Mining museum in Negaunee, Michigan

Also worth it near here
- Clark Lambros Beach ParkBeach · ~2 min drive
- Noquemanon TrailCross-country skiing · ~3 min drive
- Northern Mich UniversityHiking · ~6 min drivePhoto: eoz_15, CC BY 2.0 (via Flickr)
- Sugarloaf MountainSummit · ~7 min drivePhoto: The ed17, CC BY-SA 4.0 (via Wikimedia Commons)
Best time to visit Upper Boulder
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, 3.1 mi away at 665 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.