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
What’s Blooming at Eaton Canyon in February
Hover over photos to reveal information about each species. Photography © Susan Hopkins unless otherwise credited
Read MoreLos 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 MoreEaton Canyon Natural Area, Nature Center, And Half Of Altadena Leveled By Cataclysmic Wildfire
In the early morning hours of Sunday, May 6, 2024, Eaton Canyon received another round of seemingly...
Read MoreRecord Dry Spell Suffocates Eaton Canyon Amid Fears Of A Warm, Arid Winter Ahead
On December 17, 2024, the Southern California Edison weather station that is bolted to a powerline next...
Read MoreReconstruction Of Altadena Drive Beside Eaton Canyon Presses On
Throughout the months of November and December 2024, the Los Angeles County Department of Public Works has...
Read MoreAfter Two Wet Winters In A Row, Can Eaton Canyon Get Lucky Again?
Over the past 2 years, MyEatonCanyon.com has been monitoring changes to Eaton Canyon following the drenching winter...
Read MoreTrail Magic
Rainbow Trout
In the background, a stand of wooden derricks pump crude, while in...
Read MoreTarantula Hawk and Host
Wings orange, reddish, body bluish black with a stinger, antennae orange, six...
Read MoreField 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
February 2025
Thursday February 13
- All Day
- ⛈️ 51°F / 56°F
Friday February 14
- All Day
- Valentine's Day
- 🌦 45°F / 61°F
Saturday February 15
- All Day
- 🌤 39°F / 62°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)
- 10:30 am – 11:30 am
- Nature Tails Story Hour for Children (CANCELED UNTIL FURTHER NOTICE)

Canyon Status
Visitor Access: Natural Area Closed
Water Temperature: 53°F (avg.)
Water Year Precipitation: 0.06 in.
Creek Flow: 47.9% (12/1 Survey)
Drought Monitor: Extreme Drought
Fire Danger: Extreme
Air Quality: No Advisories
Species Reported: 1,586
