Las Trampas Regional Park is a 5,778-acre wilderness park located in the San Ramon Valley, just east of Danville, California. The park is home to a variety of hiking and biking trails, as well as picnic areas, scenic overlooks, and wildlife.
Las Trampas Regional Park is home to an amazing display of springtime wildflowers. Every spring, the park’s hillsides are transformed into a sea of color, with wildflowers of all shapes and sizes blooming in abundance. View our Wildflower Guide for more information.
One of the park’s most popular features is its proximity to the Eugene O’Neill National Historic Site. The historic site preserves the home and studio of playwright Eugene O’Neill, where he wrote some of his most famous plays, including The Iceman Cometh, Long Day’s Journey Into Night, and A Moon for the Misbegotten.