Travel / Tuesday, 25-Nov-2025

Los Angeles: Telegraph Canyon via Diemer Trial

Los Angeles: Telegraph Canyon via Diemer Trial

Cross a rolling ridgeline with great views of Orange County before descending down into the beautiful sycamore-, manzanita-, maple-, and wild zucchini-filled Telegraph Canyon.

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Trail Facts

  • Distance: 8.2

Waypoints

DTL001

Location: 33.9094581604004, -117.780578613281

Facing the park entrance sign, go L on South Ridge Trail

DTL002

Location: 33.9094123840332, -117.787483215332

Overlook showcases hills formed by the uplift and folding of the nearby Whittier and Chino faults

DLT003

Location: 33.9123573303223, -117.803764343262

R @ Y onto Diemer Trail; steep hike down into Telegraph Canyon

DLT004

Location: 33.9143409729004, -117.803672790527

Canyon bottom; R @ Y onto Telegraph Canyon Trail

DLT005

Location: 33.9131546020508, -117.79727935791

Look for red-tailed hawks catching thermals along canyon walls

DLT006

Location: 33.9134750366211, -117.791061401367

Incredible old maple tree; great lunch and shade spot

DTL007

Location: 33.914421081543, -117.780151367188

Dry creek bed where an unnamed bike trail enters

DTL008

Location: 33.9150352478027, -117.769538879395

R @ Y on Little Canyon Trail; ascend for .3 mi.

DTL009

Location: 33.9111595153809, -117.769203186035

R @ T onto South Ridge Trail

Map: Hike the Pacific Crest Trail
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