North Ridge Trail Hike at Purisima Creek Redwoods

Purisima Creek North Ridge Trailhead 13130 Skyline Boulevard, Redwood City

Join POST for a beautiful and strenuous but rewarding 4.5-mile hike through the redwoods at Purisima Creek Redwoods! This out-and-back hike is moderately strenuous, with several inclines and declines. The hike itself will be roughly 4.5 + miles in totality, … Read more

Free

Queers of a Feather

Bair Island Wildlife Refuge 3 Uccelli Dr, redwood city

Calling all LGBTQ+ community members! Come birding with POST and Santa Clara Valley Audubon Society and meet other queers of a feather! Whether you are experienced or completely new to birding, this event will provide a fun opportunity to get … Read more

Free

Planting Workday at Ravenswood Open Space Preserve

Cooley Landing Education Center 
2100 Bay Road, East Palo Alto, CA, United States

Join Peninsula Open Space Trust and Grassroots Ecology for a community event to restore California habitat! Volunteers will be planting native plants at Ravenswood Open Space Preserve, learning about the history and ecology of the site along the way. Volunteers … Read more

Free

Coastal Walk at Pillar Point Bluff

Pillar Point Parking Lot W Point Avenue, Half Moon Bay, CA, United States

Join Peninsula Open Space Trust for a beautiful walk at Pillar Point Bluff just north of Half Moon Bay! You will be guided by POST ambassadors who will share details about the area’s interesting natural history, from the coastal scrub … Read more

Free

Womxn in the Weeds Workday at Pearson-Arastradero

Pearson-Arastradero Preserve 1530 Arastradero Road, Palo Alto, CA, United States

Calling all women and non-binary identifying community members! Join Peninsula Open Space Trust and Grassroots Ecology for an affinity group event to restore California habitat at Pearson-Arastradero Preserve. Our facilitators have years of experience building welcoming and inclusive spaces for … Read more

Free

Afternoon Hike at Mindego Hill

Audrey C. Rust Commemorative Site Redwood City

Join Peninsula Open Space Trust for a beautiful 5-mile hike from the Russian Ridge Open Space Preserve to the top of the POST-protected Mindego Hill. You will be guided by POST ambassadors who will share details about how we protected … Read more

Free

Bair Island Volunteer Workday

Bair Island Bair Island Road, redwood city, CA, United States

Join Peninsula Open Space Trust and San Francisco Bay Bird Observatory for this fun and unique opportunity to volunteer at Bair Island. Join Peninsula Open Space Trust and San Francisco Bay Bird Observatory for this fun and unique opportunity to … 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

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

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

Queers of a Feather (LGBTQ+ Birding Event)

Golden Gate Park

Calling all LGBTQ+ community members! Come birding with POST and Santa Clara Valley Audubon Society and meet other queers of a feather! Whether you are experienced or completely new to birding, this event will provide a fun opportunity to get … Read more

Free

Asian American Healing – A Nature Walk Guide Book Launch Party

Chopsticks Alley Art Gallery at Open San Jose 38 S. 2nd Street, San Jose

You are cordially invited to the Chopsticks Alley Art's "Asian American Healing (AAH) - A Nature Walk Guide " Launch Party! Register for tickets here. Evening Program 6:30-8:30 pm Featuring performances and artworks by poets, artists, and book contributors 5-9 … Read more

Free

2024 Wild & Scenic Film Festival – In Person & Virtual

Smithwick Theatre 12345 El Monte Rd, Los Altos Hlls, CA, United States

Join Peninsula Open Space Trust (POST), Midpeninsula Regional Open Space District, San Mateo County Parks, Santa Clara Open Space Authority, and Santa Clara County Parks as we co-host the Wild & Scenic Film Festival. Our in-person event will take place … Read more

Free

Volunteer Restoration Workday at Redwood Creek

Redwood Creek Main St and Veterans Blvd, Redwood City, CA, United States

Join Peninsula Open Space Trust and Grassroots Ecology for this unique group volunteer event restoring Redwood Creek. Volunteers will be beautifying the shore and supporting sensitive habitat areas along Redwood Creek. We will remove invasive plants and pick up trash … Read more

Free

North Ridge Trail Hike at Purisima Creek Redwoods

Purisima Creek North Ridge Trailhead 13130 Skyline Boulevard, Redwood City

Join POST for a beautiful and strenuous, but rewarding 4.5-mile hike through the redwoods at Purisima Creek Redwoods! This out-and-back hike is moderately strenuous, with several inclines and declines. The hike itself will be roughly 4.5 + miles in totality, … Read more

Free

Hike at Calero County Park

Calero County Park - McKean Picnic Area 23205 McKean Road, San Jose

Join Peninsula Open Space Trust (POST) at Calero County Park, one of the region’s most beautiful oak woodlands just south of San Jose on the westside of Santa Clara Valley. You will be led by POST ambassadors who will share … Read more

Free

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. Please register here. Volunteers will be … 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

Morning Hike at Skyline Ridge Open Space Preserve

Skyline Ridge Open Space Preserve Skyline Rd Hwy 35, Los Altos, CA, United States

Join POST for this guided hike at Skyline Ridge Open Space Preserve! A POST Representative will share a few words about POST's decades of conservation success before hiking groups leave to explore a moderate to strenuous 4.5-mile hike with 800 … Read more

Free

Coastal Walk at Pillar Point Bluff

Pillar Point Parking Lot W Point Avenue, Half Moon Bay, CA, United States

Join Peninsula Open Space Trust for a beautiful walk at Pillar Point Bluff just north of Half Moon Bay! You will be guided by POST ambassadors who will share details about the area's interesting natural history, from the coastal scrub … Read more

Free

Afternoon Hike at Mindego Hill

Audrey C. Rust Commemorative Site Redwood City

Join Peninsula Open Space Trust for a beautiful 5-mile hike from the Russian Ridge Open Space Preserve to the top of the POST-protected Mindego Hill. You will be guided by POST ambassadors who will share details about how we protected … Read more

Free

Bair Island Walking Tour

Bair Island Trail Parking Lot Bair Island Road, Redwood City

Join Peninsula Open Space Trust for a walking tour at Bair Island! You’ll be guided by POST ambassadors who will share the history of this beautiful protected space, information about the species that live there, and what you can do … Read more

Free

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

Afternoon Hike at Mindego Hill

Audrey C. Rust Commemorative Site Redwood City

Join Peninsula Open Space Trust for a beautiful 5-mile hike from the Russian Ridge Open Space Preserve to the top of the POST-protected Mindego Hill. You will be guided by POST ambassadors who will share details about how we protected … Read more

Free

Volunteer Restoration Workday at Redwood Creek

Redwood Creek Main St and Veterans Blvd, Redwood City, CA, United States

Volunteers will be beautifying the shore and supporting sensitive habitat areas along Redwood Creek. We will remove invasive plants and pick up trash in and around our restoration areas to help promote the growth of native plants and improve the … Read more

Free