Join the Marin County Bicycle Coalition, California Native Plant Society, and NorCal High School Cycling League on their 3rd annual Wildflower Mountain Bike Ride on Mt. Tam!

Join the Redwood Empire Mountain Bike Alliance and the California Native Plant Societyffor a mountain bike-powered Rare Plant Treasure Hunt at Trione-Annadel State Park as part of the City Nature Challenge.

Learn about the Marin Headlands more salty residents! Crabbing gear provided. Reservations required, please call (415) 331-1540.

We know you love to walk, bike, picnic, and surf at Crissy Field! We invite you to come experience the park in a new way: As an active participant in planning for its future.

Join the Golden Gate Trail Crew and help repair, maintain and enhance trails in the Golden Gate National Parks.

Cultural festivals, traditions and holidays offer an opportunity to get together, share stories and food, and celebrate each other. Everyone is welcome to join and learn about this Islamic celebration!

Join Fire Safe Marin for a free forum

Become a Park Steward and help protect endangered species and restore sensitive habitat in Marin.

Become a Park Steward and help protect endangered species and restore sensitive habitat in Marin.