Ahead of Earth Day on Tuesday, Griffith Park has unveiled a new trail system for the community to enjoy, which includes newly mapped beginner-friendly loops.

UC Davis professor Hugh Safford found the highest living tree in California on a recent hike through the High Sierra.

Muir Woods National Monument in Mill Valley isn’t just another pretty spot in California’s endless parade of natural wonders; ...

Just 12 miles north of San Francisco’s bustling streets, this ancient redwood sanctuary in Mill Valley feels like stepping ...