Maryland · Bouldering · Four Corners

Ernies Jam

Dirty Ernie is among the easiest climbs catalogued at South Bank, part of a collection spanning from V0+ to V11.

Also worth it near here
- Northwest Branch TrailMountain biking · Next doorPhoto: G. Edward Johnson, CC BY 3.0 (via Wikimedia Commons)
- Northwood-Chesapeake Bay TrailHiking · ~1 min drivePhoto: inkdroid, CC BY 2.0 (via Flickr)
- Cherry Hill ParkCamping · ~5 min drive
- Northwest Branch Anacostia RiverCanoeing · ~6 min drivePhoto: Paul from USA, CC BY-SA 2.0 (via Wikimedia Commons)
Best time to visit Ernies Jam
Best months: April–June and September–November. 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
  43° / 25°
  10 wet
2. Feb
  45° / 27°
  9 wet
3. Mar
  53° / 34°
  10 wet
4. Apr
  65° / 44°
  11 wet
5. May
  74° / 54°
  11 wet
6. Jun
  83° / 63°
  10 wet
7. Jul
  87° / 68°
  10 wet
8. Aug
  86° / 66°
  9 wet
9. Sep
  79° / 59°
  8 wet
10. Oct
  68° / 47°
  9 wet
11. Nov
  57° / 37°
  9 wet
12. Dec
  47° / 30°
  10 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Beltsville, MD, 3.8 mi away at 145 ft. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

Best time to visit Ernies Jam