Mountain · 1 route

Mount Williamson

8,214 ft · California

Summit
8,214 ft
Routes
1 way up

Route up Mount Williamson

  1. Pleasant View RidgeHardabout 4,462 ft of climbing7.8 mi round tripSee the route
Map of the route up Mount Williamson, with each route's start numbered and the summit marked
Pleasant View RidgeMap © Mapbox © OpenStreetMap contributors

About Mount Williamson

Mount Williamson is a summit in California's Angeles National Forest, within the Pleasant View Ridge Wilderness and the San Gabriel Mountains National Monument Ranger District. The nearest town is Littlerock, about 13 miles away. Climbers will find Tunnel Crag less than a mile away and London Wall about 1.3 miles off. Hikers can try the South Fork Trail, about a mile away. Little Jimmy campground sits roughly 2.3 miles away.

Forecast on Mount Williamson

Daily highs and lows, wind and the chance of precipitation at the summit and route start for the next 7 days, from the Open-Meteo model.

Questions about Mount Williamson

How tall is Mount Williamson?

8,214 ft (2,504 m).

How many routes go to the summit of Mount Williamson?

One: Pleasant View Ridge.

Mountains nearby

More mountains in California

Facts about this place

Where it is

Nearest town
Littlerock, California · 13 mi

Source: Wilderness.net boundaries; USFS EDW boundaries; USGS GNIS populated places

Conditions

Active alerts for Angeles National Forest as of Oct 9, 2026:

Source: USFS forest alerts

Nearby

Source: Roamze catalog (indexable pages within 10 miles, PostGIS distance)

Is Mount Williamson open right now?

Alert in the area

The Forest Service lists 7 alerts for Angeles National Forest.

As of · Source: USFS · Angeles National Forest. Agencies don't list every closure — check before you go.