• Enjoy special member hikes, e-newsletter, and more

Membership

Membership

One Tam Membership

By becoming a One Tam member, you are investing in the future of Mount Tamalpais and supporting the dedicated work of the One Tam partners in stewarding the mountain, protecting and monitoring wildlife, improving trails and access, and engaging the community and its youth in outdoor leadership and education. 

Do you have a Mt. Tamalpais or outdoor enthusiast in your life? One Tam membership at any level makes a great gift. You'll be supporting conservation and community programs on Mt. Tamalpais, and the recipient will have access to One Tam member benefits. Contact info@onetam.org to learn more.

One Tam is an initiative of the Golden Gate National Parks Conservancy, a 501(c)(3) nonprofit organization, EIN #94-2781708.

Join Today!

All One Tam members, $50 and up, receive the following benefits: 

One Tam trail map 

Access to member hikes or webinars 

Members-only updates and e-newsletter 

Invitations to all Parks Conservancy member events 

Join the One Tam Circle!

$1,500 or more 

The One Tam Circle is a prestigious membership tier that receives all of the benefits listed above, plus access to additional special experiences, including the annual One Tam Circle Dinner and invitations to Parks Conservancy Leaders Circle events. 

By becoming a One Tam Circle member, you are making a major impact on the health of the mountain and the longevity of this partnership. Our work would not be possible without the support of our One Tam Circle members. 

If you have any questions about becoming a One Tam Circle Member, contact Ella Mirhej at emirhej@parksconservancy.org. 

All One Tam memberships are tax-deductible. Gifts can be made online, or by donor-advised fund, qualified charitable distribution or IRA, wire transfer, gift of stock or by a check in the mail to our PO box. 

One Tam 
PO Box 7818 
San Francisco, CA 94120 

Become a Corporate Sponsor 

The One Tam Corporate Sponsorship Program is for companies of any size that want to support our work and the community 

Contact One Tam Development Manager Ella Mirhej (emirhej@parksconservancy.org) to learn more.