POST protects open space on the Peninsula and in the South Bay for the benefit of all.

Major Events
Virtual
In Person

Now Until

Mar

27

Thu

An Evening with Amy Tan: The Backyard Bird Chronicles (Livestream Recording)

Watch the recording of An Evening with Amy Tan as she shares insights from her new book, The Backyard Bird Chronicles, in conversation with KQED's Alexis Madrigal.

Learn More & RSVP

Morning Hike from Skyline Ridge to Russian Ridge

Walks & Hikes
In Person

Mar

30

Sun

Morning Hike from Skyline Ridge to Russian Ridge

9:00 AM

Join POST on a guided hike through two Open Space Preserves to Boreal Hill!

Register

Walks & Hikes
In Person

Apr

4

Fri

Bair Island Walking Tour

3:00 PM

Learn about this beautiful POST protected space, and join us for a 1-mile gentle/flat walking tour of Bair Island!

Register

Volunteer
In Person

Apr

5

Sat

Bair Island Volunteer Workday

9:00 AM

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

Register

Native Plant Walk at Pearson Arastradero Preserve

Walks & Hikes
In Person

Apr

6

Sun

Native Plant Walk at Pearson Arastradero Preserve

2:00 PM

Join Peninsula Open Space Trust, Grassroots Ecology, and Certified California Naturalist Francis Mendoza on a guided native plant walk!

Register

Apr

12

Sat

Nature Quest Explore: Engage, and Discover the Coastside Parks!

10:00 AM - 2:00 PM

Join us to learn about your local parks and libraries! Bring your curiously and interact with our fun activities. This is a free, family-friendly event.

Learn More

Monthly Offer on Now

Featured Content

A Seasonal Hiking Guide to the Peninsula and South Bay

Forest Management 101: Preparing for a Healthier Future

POST Appoints Gordon Clark as President

Take a Rainy Day Walk: 6 Perfect Paved Trails in the Bay Area

POST Purchases and Permanently Protects Pescadero Ranch

Safe Passage for Wildlife

Unveiling Tunitas Creek Beach: A Coastal Oasis

What's New

Upcoming Events

Monthly Offer on Now

Featured Content

A Seasonal Hiking Guide to the Peninsula and South Bay

Forest Management 101: Preparing for a Healthier Future

POST Appoints Gordon Clark as President

Take a Rainy Day Walk: 6 Perfect Paved Trails in the Bay Area

POST Purchases and Permanently Protects Pescadero Ranch

Safe Passage for Wildlife

Unveiling Tunitas Creek Beach: A Coastal Oasis

What's New

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Upcoming Events