Telegraph Peak via Manker Flat and Baldy Notch
Telegraph Peak via Manker Flat and Baldy Notch
4.6
(7625)
18,027
hikers
03:33
10.0km
900m
Hiking
Hike Telegraph Peak via Manker Flat and Baldy Notch, a moderate 6.2-mile route in the San Gabriel Mountains with 2942 feet of gain.
Last updated: February 26, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Start point
Parking
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963 m
Viewpoint
Viewpoint
7.52 km
Highlight • Summit
Tip by
9.99 km
Highlight • Summit
Tip by
10.0 km
End point
Way Types & Surfaces
Way Types
6.79 km
2.28 km
929 m
< 100 m
Surfaces
9.07 km
965 m
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Elevation
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Weather
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Thursday 9 July
28°C
18°C
0 %
Additional weather tips
Max wind speed: 7.0 km/h
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This route was planned by komoot.
The trail typically starts from Manker Flat. For parking, you'll need an Adventure Pass, which is required for parking at the trailheads within the Angeles National Forest. It's advisable to arrive early, especially on weekends, as parking can fill up quickly.
The terrain is quite varied and challenging. You'll encounter significant elevation changes, starting with a gradual climb on the Mount Baldy fire road to Baldy Notch, which can be paved or gravel. Beyond the Notch, especially on sections like the 'Three Ts Trail', expect steep slopes, switchbacks, and rocky sections. In colder months, snowdrifts can be present, and some narrow ridges, like the Devil's Backbone, feature steep drop-offs.
This route offers spectacular views throughout. You'll pass by Thunder Mountain, providing impressive sights of Telegraph Peak. From the summit of Telegraph Peak itself, you'll be treated to sweeping 360-degree vistas, including Mount Baldy, the Lytle Creek Drainage, Cajon Pass, Cucamonga Peak, and even the high desert.
No, this trail is generally considered strenuous or extra difficult and is not recommended for beginner hikers. It involves significant elevation gain and can be quite long, with parts described as a 'never-ending climb'. Hikers should be prepared for demanding ascents and descents.
Spring offers the chance to see wildflowers, while fall provides cooler temperatures and clear views. However, winter conditions can make the trail extremely dangerous due to snow and ice, requiring specialized equipment and experience. It's best to avoid winter unless you are highly experienced and properly equipped.
Yes, dogs are generally allowed on this trail within the Angeles National Forest, but they must be kept on a leash at all times. Always practice Leave No Trace principles and pack out any waste.
Yes, you will need a free permit for entry into the Cucamonga Wilderness Area, which can be obtained from the Mt. Baldy Visitor Center. Additionally, an Adventure Pass is required for parking at the trailheads within the Angeles National Forest.
Yes, the route utilizes sections of several well-known paths. You'll follow parts of Baldy Road, and a significant portion of the hike traverses the 'Three Ts Trail', which connects Thunder Mountain, Telegraph Peak, and Timber Mountain. There are also connections to other trails like Icehouse Canyon Trail and Chapman Trail, allowing for varied routes.
Baldy Notch offers some convenient amenities. You'll find restrooms and a restaurant there. It also provides the option to take a scenic chairlift down (or up) to Manker Flat, which can be a flexible alternative for hikers looking to shorten their descent or ascent.
Given the strenuous nature and significant elevation, you should bring plenty of water, appropriate footwear with good ankle support, layers of clothing for changing weather, a map or GPS device, and snacks. Trekking poles can also be very helpful for the steep sections.
Absolutely. This is a challenging trail. Be prepared for significant elevation changes and potentially rugged terrain. Navigation can be tricky in some areas due to unmarked trails or confusing junctions. Always check weather conditions before you go, especially in winter when snow and ice can make the trail extremely dangerous. Proper preparation and awareness of your surroundings are crucial.
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