Our Mission

To preserve the Truckee-Tahoe region’s mountain character and natural environment for present and future generations.

Our Vision

Vibrant community cores surrounded by protected open space.

Our Goals

Preserve and protect open space in Truckee-Tahoe through collaboration, education & stewardship.

Sustain the authentic mountain character of the area by protecting the diversity of the environment, culture, and economy.

Advocate for responsible land use decisions & smart growth in the region.

Without advocacy, Truckee Tahoe would look and feel quite different. Invest in Advocacy to Protect Open Space and Mountain Character and Help MAP Raise $90k to Power Our Work for 2026! Donations Matched - Learn More.

 Give the gift of MAP merch this holiday season! Last year, we unveiled our Protect Our Mountain Hoodies, featuring the limited-edition Protect Our Mountains Goshawk by Bryn Merrell. NOW through the end of the year, MAP’s Protect Our Mountain Hoodies are on sale for just $40, that's 50% off! Free shipping for all merchandise on our online store.

Read MAP’s comment letter to the Governing Board HERE. Let’s stay focused on advancing housing through an equitable process for the workforce, seniors, low-income, and disabled individuals. Be sure to track our next Cultivating Community, Conserving the Basin update. the TRPA Governing Board will take action on these policies at the beginning of the new year in January 2026.

Thank you to the 150 guests who supported the 15th Annual Sierra Forage Dinner, helping MAP raise critical funding for grassroots environmental advocacy! Your Support is Fueling our Work this Year! Learn More About the Dinner.

The effort to save land at the eastern edge of Truckee started back in 1987 and in 2021, MAP and our partners saved 290 acres of critical wildlife habitat, while reducing fire danger in Glenshire. Now, in 2025 we are working to finalize stewardship plans and the donor kiosk. Read more in our partner update.

Thank you to the 250 people who attended the Wild & Scenic Film Festival in North Lake Tahoe with MAP on April 4th and 5th at the Fox Cultural Hall. We had a great night at a new venue, inspiring youth and adults to be stewards in their community and beyond. Check out the raffle winners and more on our event page!

MAP sued TRPA over concerns about housing affordability and environmental impacts after the agency updated its housing codes last December

On July 1st, Mountain Area Preservation (MAP) and the Tahoe Regional Planning Agency (TRPA) settled the Phase 2 Housing Codes litigation. The settlement negotiated between both parties represents a win to advance future affordable workforce development with a commitment to robust environmental analysis as part of the next phase of policy updates, which is set to commence this year. Learn more about the settlement.

The Tahoe Regional Planning Agency Governing Board adopted critical changes to its recently updated housing codes on June 26th. These important clarifications ensure that Lake Tahoe water quality and clarity will be protected even as new high-density, affordable, moderate, and achievable housing projects come forward. They also reinstate a vital affordable housing requirement. While important concerns remain about these new codes, including environmental and public safety impacts, these changes Are a win for Tahoe and a step in the right direction.

For more information on MAP’s position, review our press release.

Martis Valley West | We Won!

In case you missed the news, we won! In a unanimous decision, California's Third District Court of Appeal ruled in conservationists' favor to stop the reckless development of Martis Valley West! Read the full press release and court ruling.

Save Canyon Springs | Invest to Protect

Protecting Canyon Springs as permanent open space and opening it to the public is a once-in-a-lifetime opportunity for Truckee. With the support of 700+ donors we achieved a great victory by raising $11.6 million to purchase the property. We are still raising Funds for Stewardship, Learn More.

“You cannot get through a single day without having an impact on the world around you. What you do makes a difference, and you have to decide what kind of difference you want to make.”― Jane Goodall

Click here to read MAP’s Commitment to Environmental Justice.