Golden Gate National Parks Conservancy

One Tam Newsletter

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News and Events
from One Tam



Dear Friend,

Have you seen the creeks flowing? Have you noticed the hills are green? Have you observed the wildflowers blooming? 

It’s all happening out on Mt. Tam right now. 

And there’s a lot of work happening to take care of the mountain and the surrounding landscape. We’re excited to share our work, done in collaboration with over 600 volunteers, to learn about the wildlife that move around Mt. Tam with the Marin Wildlife Picture Index. This is one way we’re helping to steward the mountain in partnership with you. 

We hope to see you out on the mountain...

~ Your friends at One Tam

  Not a member yet? Join us!  

Volunteer With Us


Purging the Spurge on Bolinas Ridge
9:15 am-12 pm
Hosted by California State Parks and One Tam
Join us as we remove a fast-spreading weed (oblong spurge) on Bolinas Ridge, while enjoying sweeping views of the Pacific Ocean. 


Wildlife Picture Index Workshop
1–4 pm
Hosted by Marin Municipal Water District and One Tam
Ooh and ahh at the Mt. Tam animals at the Marin Wildlife Picture Index Project workshop! People like you serve as “Community Scientists” to view and catalog photos on the computer captured from our wildlife cameras.


Make a Difference at Creekside Marsh
9 am-12 pm
Hosted by Marin County Parks and One Tam
Come join this community-based effort to install a diversity of native plants and improve animal habitat at a site once dominated by weeds! We will be mulching, planting, and/ or weeding next to a tidal marsh with a view of Mt. Tam. 

  See all upcoming events  

Tam's Wild Side Returns!


A bobcat walking down a trail on Mt. Tam. Photo captured by the Wildlife Picture Index Project.


After three years and four million images (yes, four million!), the Marin Wildlife Picture Index Project is releasing its first findings. Get a glimpse of what we’re learning about our wild neighbors, and enjoy a reception with biologists, staff, and community scientists working to understand the health of Mt. Tam’s wildlife. 

Friday, April 12, 2019, 6-8 pm 
Marin Art & Garden Center

  Purchase tickets here  

2019 City Nature Challenge: Be a Naturalist Giant and Help SF Beat LA!




The City Nature Challenge is an international community science competition to see which urban area can document the most nature. Join NPS and One Tam at Stinson Beach as we try to indentify and document the plants, animals, and fungi we see. Be our scientific collaborator for a day and help the SF Bay Area defend the championship crown!

Saturday, April 27, 2019, 10 am-3 pm
Stinson Beach

  Register here!  

Get Outside and Help Mt. Tam


Volunteers standing proudly with their huge pile of broom that they pulled!


Join us on the mountain this month, perhaps at one of these two events:

Nature Space: Looking at the Marsh through Different Eyes

Use all your senses to experience Bothin Marsh and see this special place right in our backyard with new eyes. Activities will be outdoors and family-friendly. This event is part of the Nature Space program, offered in partnership with Mill Valley Recreation to create new opportunities to learn about our local environment. 

Saturday, April 13, 2019 from 3-5 pm
Bothin Marsh Open Space Preserve

  Learn More  

Earth Day: Bald Hill Broom Bust

Please join us for our annual Bald Hill Broom Bust! Volunteers will focus on containing the spread of French and Scotch broom. You’ll leave satisfied that you made a difference this Earth Day. This is a family friendly event and lunch is provided! 

Saturday, April 20, 2019 from 9 am-1 pm
Bald Hill Open Space Preserve

  Learn More  

Conservation Management Team Grows by Two


Welcome Michael Sturtevant and Tatiana Manzanillo!


During the field season from roughly March-October, Conservation Management Assistants take inventory and closely monitor the plants and ecosystems on and around Mt. Tam. They’re particularly looking for new invasive plants who are popping up. They also monitor the rare plants that make Tam their home, including a suite of ten rare plant species in late spring. 

We are happy to introduce you two this year’s Conservation Management Assistants: Michael Sturtevant and Tatiana Manzanillo. If you see them on the mountain, be sure to say hi! 


California Wildflowers and Climate Change


Beauty and the Beast: a photography exhibition by Rob Badger and Nita Winter.


It's wildflower season!

Join the Marin Chapter of the California Native Plant Society for a special exhibition by local photographers Rob Badger and Nita Winter, revealing the incredible beauty of California’s wildflowers.

A series of exciting events in April and May will accompany the exhibit, from garden tours, to guided hikes, to fire-wise landscaping, there is something for everyone!

Beyond celebrating the beauty of these landscapes, the series aims to create greater awareness of the threat of climate change to the land we all love, and offer ways to get involved to address it.

  Explore Event Series  

About Us


A post-rainstorm rainbow greets volunteers at a Creekside Marsh restoration event. Photo by Kirk Schroeder.

One Tam seeks to raise awareness about the need to maintain the long-term health of Mt. Tam, engage more volunteers in caring for its treasured resources, and renew the spirit of philanthropy that has been so fundamental to the preservation of Mt. Tam over the past century. One Tam is part of the Golden Gate National Parks Conservancy and donations to the initiative directly support projects and programs benefitting Mt. Tam.

  Learn More  

Going Further, Together

One Tam brings together inspired community members with its five partners to support the long-term stewardship of Mt. Tam.
One Tam Partner Logos: National Park Service, CA State Parks, Golden Gate National Parks Conservancy, Marin Municipal Water District, and Marin County Parks

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