Loose Stool
Among the more accessible routes at Pinnacle 2.
- 5.8+
- grade
- Trad Gear
- style
Is Loose Stool open right now?
Closure in the area
There's a closure order in Mountaintop Ranger District. It doesn't name Loose Stool, so check the source for the area it covers.
Radford Fire Closure Area
Agency closure covering Mountaintop Ranger District · Order 05-12-52-24-06 · USFS · Mountaintop Ranger District
Safety Alert - Falling Rocks at Bonita Falls
Agency alert covering San Bernardino National Forest · USFS · San Bernardino National Forest
Fire Restrictions
Agency alert covering San Bernardino National Forest · Order 05-12-00-26-05 · USFS · San Bernardino National Forest
As of · Source: USFS · Mountaintop Ranger District. Agencies don't list every closure — check before you go.
Best time to visit Loose Stool
Best months: April–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
44° / 29°
6 wet · 1 snow
Feb
45° / 30°
6 wet · 1 snow
Mar
52° / 32°
6 wet · 1 snow
Apr
60° / 36°
4 wet · 1 snow
May
67° / 41°
2 wet
Jun
76° / 49°
1 wet
Jul
81° / 57°
1 wet
Aug
82° / 57°
1 wet
Sep
74° / 52°
1 wet
Oct
63° / 43°
2 wet
Nov
52° / 34°
3 wet
Dec
43° / 29°
5 wet · 1 snow
Typical high / low (°F) and days with rain or snow, 1991–2020. Measured at Lake Arrowhead, CA, 4.7 mi away at 5,205 ft. Source: NOAA NCEI U.S. Climate Normals 1991–2020.
One of the easier climbs catalogued at Pinnacle 2, where routes span from 5.8 to 5.11b.
Photo of the crag

Keep exploring — more climbs worth the drive
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