Bair Island Volunteer Workday

Bair Island Trail Parking Lot Bair Island Road, Redwood City

Join Peninsula Open Space Trust and San Francisco Bay Bird Observatory for this fun and unique opportunity to volunteer at the Bair Island Unit of the Don Edwards San Francisco Bay National Wildlife Refuge. Volunteers will be guided by SFBBO’s … Read more

Free

Spring BioBlitz at Hellyer Park

Hellyer County Park - Cottonwood Lake 996 Hellyer Ave, Cottonwood Lake Entrance, San Jose

Join Keep Coyote Creek Beautiful, Bioblitz Club, and Peninsula Open Space Trust for a BioBlitz! A BioBlitz is an event that focuses on finding and identifying as many species as possible in a specific area over a short period of … Read more

Free

Coastal Walk at Cowell-Purisima Trail

Cowell Ranch Beach Access Parking Cowell Ranch Beach Access Parking, Half Moon Bay, CA, United States

Join Peninsula Open Space Trust for a beautiful walk along the Cowell-Purisima trail that POST helped create by protecting adjacent farmland. While it may be foggy, we hope to catch gorgeous views of the ocean, nearby farmland, and glimpses of … Read more

Free

Morning Hike at Rancho Cañada del Oro

Rancho Cañada del Oro Open Space Preserve 4289 Casa Loma Road, Morgan Hill

Join Peninsula Open Space Trust for an excursion where you’ll explore the Mayfair Ranch – Longwall Canyon trails of Rancho Cañada del Oro! You will be guided by POST Ambassadors who will share with you the history of the preserve, … Read more

Free