California · Bouldering · Shingletown

Slip'n Slab

Among the easiest routes at The Old Highway.

V0-
grade: Bouldering Pads
style

Is Slip'n Slab open right now?

Closure in the area

There's a closure order in Lassen National Forest. It doesn't name Slip'n Slab, so check the source for the area it covers (2 listed).

Forest Road Closure Order
Agency closure covering Lassen National Forest · Order 06-26-01 · USFS · Lassen National Forest
SAFETY ALERT - South Antelope Bridge out, Do Not Cross
Agency closure covering Lassen National Forest · USFS · Lassen National Forest

As of Oct 24, 10:10 pm PDT · Source: USFS · Lassen National Forest. Agencies don't list every closure — check before you go.

Best time to visit Slip'n Slab

Best months: May–October. 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
41° / 22°
Feb
42° / 22°
Mar
46° / 24°
Apr
50° / 27°
May
61° / 35°
Jun
70° / 41°
Jul
79° / 46°
Aug
78° / 45°
Sep
72° / 41°
Oct
59° / 33°
Nov
47° / 26°
Dec
39° / 22°

Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Manzanita Lake, CA, 2.3 mi away at 5,750 ft. The station sits about 700 ft higher than this place, so expect it a little warmer here. This station doesn't record snowfall. Source: NOAA NCEI U.S. Climate Normals 1991–2020.

One of the easier climbs catalogued at The Old Highway, sitting at the bottom of the grade span across the crag's 11 routes.