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Facts & Figures

Facts & Figures

Learn About Our Operations, Work Plans, and Accomplishments

Please use the links below to learn more about One Tam’s vision, organizational structure, programs, and projects. See how each agency partner is engaged in this work, check out what’s been planned for the year ahead, or review our annual reports and financial updates to learn about what we have already accomplished together.

Note: Early documents refer to One Tam by its original name, the Tamalpais Lands Collaborative (TLC). Off-site links will open in a new browser tab or window.

1. One Tam Background Information

The documents below provide important background information on One Tam's formation and organizational structure, how programs and projects are selected, and the agreements among its partners.


2. Programs & Projects

These documents outline how projects and programs are selected and approved by One Tam partners.


3. Partner Agreements

 Please note: we are in the process of updating our next 10-year agreements and will post once in place.

4. Accomplishments

Learn more about what One Tam has accomplished, and what’s in store for the year ahead.








  • Highlights from October 1, 2020 to September 30, 2021 can now be viewed in the Golden Gate National Parks Conservancy's 2021 annual report, online or pdf. 


  • Highlights from October 1, 2021 to September 30, 2022 can be viewed in the Golden Gate National Parks Conservancy's 2022 annual report, online or pdf.


  • Highlights from October 1, 2022 to September 30, 2023 can be viewed in the Golden Gate National Parks Conservancy's 2023 annual report online.

5. Financial Updates


6. Case Studies

With few well-documented models to inform this kind of partnership, the One Tam partners are forging new ground as they determine how best to work together for the common good of Mt. Tamalpais, and how to measure the benefits of collaboration. Researchers have been studying One Tam to understand the strengths and challenges of this new partnership model, and to assess its effectiveness and reach. Read more about what they found in the reports below.


7. Individual Agency Business Related to One Tam

One Tam is not a new agency or governing body. All projects and programs proposed for One Tam support are subject to review (including environmental compliance), approval, and support through the existing processes of the partner agencies.

The links below will take you to the websites where each agency posts information about meetings, public comment opportunities, and upcoming projects. Where possible, there are also links to past meetings where One Tam business was conducted.


8. Mt. Tamalpais Area of Focus Map