The Jam crack
One of five routes at English Smooth Sole Slab, among the easiest climbs catalogued there.
- 5.4
- grade
- Trad Gear
- style
Best time to visit The Jam crack
Best months: October–May. 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
70° / 44°
7 wet
Feb
70° / 45°
7 wet
Mar
72° / 47°
6 wet
Apr
75° / 50°
4 wet
May
80° / 55°
2 wet
Jun
87° / 58°
1 wet
Jul
94° / 63°
1 wet
Aug
97° / 64°
0 wet
Sep
93° / 61°
1 wet
Oct
82° / 55°
2 wet
Nov
76° / 47°
3 wet
Dec
69° / 43°
5 wet
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Riverside Citrus Exp, CA, 2.2 mi away at 986 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
English Smooth Sole Slab has five routes catalogued across a 5.4 to 5.11a range, making this one of the entry points at the crag.
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