Michigan · Rock climbing · Marquette Charter Township · Near Ishpeming

Sourdough

One of 18 routes catalogued at 550 Roped, this climb sits in the middle range of the crag's 5.5 to 5.13a span.

Around this trail

Add any of these when you start a trip

Sleep close
Little Presque Isle Cabins
Campground
Campground · 1.6 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 · 8 mi
Mining museum in Negaunee, Michigan

Also worth it near here
- Sugarloaf MountainSummit · Next doorPhoto: 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)
- Little Presque Isle CabinsCamping · ~3 min drive
- GookookooCross-country skiing · ~3 min drive
Best time to visit Sourdough
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, 5.9 mi away at 665 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.