Welcome to
Eaton Canyon
Angelinos' Gateway to Nature
Eaton Canyon, nestled in the foothills of the San Gabriel Mountains of Southern California, is home to hundreds of species, a rich history and Southern California's most accessible waterfall. The canyon is visited by over a million people per year where they hike, backpack, botanize and picnic.
News
First Destroyed Residences Beside Eaton Canyon Begin To Be Cleared
During mid-March 2025, the first private residences destroyed by the Eaton Fire surrounding the canyon have begun...
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What’s Blooming at Eaton Canyon in March
Hover over photos to reveal information about each species. Photography © Susan Hopkins unless otherwise credited
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County Supervisor Kathryn Barger Pledges To Protect Altadena’s Already Maimed Urban Forest From Army Corps of Engineers
When the historic Eaton Fire tore through Altadena in January 2025, it didn’t just destroy thousands of...
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Eaton Canyon Could Be Closed For Years. In The Meantime, Here Is Where To Get Your Nature Fix
On January 7, 2025, Eaton Canyon and surrounding areas were destroyed by the already well-documented Eaton Fire....
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Historic Debris Flow Wipes Out Eaton Wash, Altering Creek Route And Uprooting Hundreds Of Trees
On Thursday evening, February 13, 2025 at approximately 5:02 PM, a torrential downpour struck the fully burned-out...
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Los Angeles County Clear Cuts Willow Forest In Eaton Reservoir In Preparation Of Debris Flows
This past Monday, January 20th, 2025, the Los Angeles County Department of Public Works began clear cutting...
Read MoreTrail Magic
Tarantula Hawk and Host
Wings orange, reddish, body bluish black with a stinger, antennae orange, six...
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Field Studies
Utilizing Bigcone Douglas-Fir Log Locations And Aerial Imagery To Measure Historical Flood Magnitude In Eaton Canyon
Abstract Over one hundred large Bigcone Douglas-Fir (Pseudotsuga macrocarpa) logs are scattered...
Read MoreBiodiversity
Buttons in this section link to matching taxa within The Eaton Canyon Biodiversity Project on iNaturalist.org.
Explore Eaton Canyon
Within a metropolitan area of over 10 million residents and adjacent to a national forest, Eaton Canyon remains a remarkably diverse ecosystem. Over 1,500 species are verified residents of the canyon, and this number continues to grow as researchers and citizen scientists document others.
Trails & Destinations
Looking for a trail map or the latest information about hiking conditions and temporary closures? You’ve come to the right place.
Events
March 2025
Wednesday March 19
- All Day
- 🌤 50°F / 74°F
- 7:30 pm – 9:30 pm
- Pasadena Audubon Society Mtng. (CANCELED UNTIL FURTHER NOTICE)
Thursday March 20
- All Day
- 🌞 49°F / 75°F
Friday March 21
- All Day
- 🌤 46°F / 77°F
Saturday March 22
- All Day
- 🌤 52°F / 75°F
- 9:00 am – 10:00 am
- Docent-Led Nature Walks (CANCELED UNTIL FURTHER NOTICE)
- 10:00 am – 10:30 am
- Saturday Discovery: Animal Ambassadors (CANCELED UNTIL FURTHER NOTICE)
