Andrea Wilson Triangle

Andrea Wilson Triangle

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Highlight • Natural Monument

Andrea Wilson Triangle

Mountain biking

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Location: Altadena, Los Angeles County, California, United States

Tips

June 29, 2025

Mountain biking

Andrea Wilson Triangle is a small protected area along Chaney Trail in Altadena. Though not a developed trail, it’s part of a larger effort to preserve open space and wildlife habitat in the foothills near Angeles National Forest.

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Nearby routes

Best routes near Andrea Wilson Triangle

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riders

#1.

El Prieto Trail – Andrea Wilson Triangle loop from John Muir High School

18.7km

01:47

520m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

riders

#2.

Ye Alpine Tavern ruins – Inspiration Point loop from Altadena

29.9km

03:06

1,140m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

5.0

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riders

#3.