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Difficulty
This reflects the 10Adventures difficulty rating for each route. We aim to keep ratings consistent across regions.
Hard
Elevation
This reflects the total elevation gained throughout this route as measured by the GPS file. This includes all ascents and descents, and is higher than what is quoted in most route guides, which simply measure the distance between the starting-point and high-point of the route.
1,046 m
Distance
This reflects the return distance of this route as measured by the GPS file.
18.3 km
Duration
This reflects the estimated time the majority of users will take on this trail. If you are slower, add time to the top-end figure. If you are fast, then you may complete this route faster than this time range.
6-8.5h
User Ratings
These ratings are completed by users who have completed this trail and not subject to reviews by 10Adventures.
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Directions to Trailhead

Telegraph Peak via Manker Flats Hike

Measurement:

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Table of contents

The Telegraph Peak via Manker Flats Hike is a long and challenging adventure in the Angeles National Forest that climbs up to the tallest of the Three Ts summits. While out on the trail, you will traverse Baldy Road and pass by the Mount Baldy Notch, before pushing uphill across Thunder Mountain to reach the scenic summit of Telegraph Peak. Don’t forget you have your adventure pass visible in your vehicle when you set out on your hike.

Route Description for Telegraph Peak via Manker Flats Hike

For those who want to test their physical fitness, the Telegraph Peak via Manker Flats Hike is a tough adventure that will reward you with some amazing Southern California views. Make sure to stop in at the Top of the Notch restaurant at the mid-way point of either your ascent or descent for a quick snack or drink.

Setting out from the trailhead, you will follow along Falls Road and take in the beauty of the San Antonio Falls, before turning to the northeast along Baldy Road to reach Mount Baldy Notch. Here you can pop into the aforementioned restaurant for a snack, or continue working your way uphill to the ultimate prize of the day, the views from the summit of Telegraph Peak.

From the restaurant, you will head southwest through the forest and pass by a small reservoir, before following the trail as it bends to the south and climbs sharply uphill to the summit of Thunder Mountain. Turning to the southeast, you will push further uphill and traverse a series of switchbacks to reach the top of Telegraph Peak, where you will enjoy sweeping views of the entire landscape. After taking in the views, simply head back along the same route to return to the trailhead.

Getting to the Telegraph Peak via Manker Flats Hike Trailhead

The trailhead for the Telegraph Peak via Manker Flats Hike can be found at the Mount Baldy Trailhead on Falls Road.

Route Information

  • Backcountry Campground:

    Manker Flat

  • When to do:

    March-November

  • Pets allowed:

    Yes - On Leash

  • Family friendly:

    No

  • Route Signage:

    Average

  • Crowd Levels:

    Moderate

  • Route Type:

    Out and back

Telegraph Peak via Manker Flats Hike Elevation Graph

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