Mountain · 2 routes

Telegraph Peak

8,980 ft · California

Summit
8,980 ft
Routes
2 ways up
Season
Year-round

Routes up Telegraph Peak

  1. Telegraph Peak TrailEasyabout 95 ft of climbing0.5 mi round tripSee the route
  2. Three T'sHardabout 1,833 ft of climbing6.3 mi round tripSee the route
Compare the routes
Telegraph Peak TrailThree T's
ClimbingAbout 95 ftAbout 1,833 ft
Round trip0.5 mi6.3 mi
DifficultyEasyHard
TerrainHikeHike
SeasonYear-roundYear-round
Map of the 2 routes up Telegraph Peak, with each route's start numbered and the summit marked
Telegraph Peak TrailThree T'sMap © Mapbox © OpenStreetMap contributors

About Telegraph Peak

Telegraph Peak is a summit in the Cucamonga Wilderness, part of the San Gabriel Mountains National Monument Ranger District of Angeles National Forest in California. The nearest town is Lytle Creek, about 5.4 miles away. Several trails sit close to the summit. The Telegraph Peak Trail is about 0.2 miles from the peak, and the Three T's route is about half a mile off. Both make obvious starting points for planning an ascent. Close by, the Telegraph Peak Trail and Three Ts Trail lead into the area. Icehouse Canyon, a climbing area about 1.5 miles away, and Manker Flat campground, about 1.9 miles away, round out the closest options for a trip here.

Forecast on Telegraph Peak

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 Telegraph Peak

How tall is Telegraph Peak?

8,980 ft (2,737 m).

How many routes go to the summit of Telegraph Peak?

2: Telegraph Peak Trail and Three T's.

What is the shortest route up Telegraph Peak?

Telegraph Peak Trail, about 0.5 mi round trip.

When is the best time to climb Telegraph Peak?

Year-round.

Mountains nearby

More mountains in California

Facts about this place

Where it is

Nearest town
Lytle Creek, California · 5.4 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 Telegraph Peak 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.