Tucson Mountains Association

PrOtecting the Tucson Mountains Since 1934

Who we are and what do we do

The Tucson Mountains Association (TMA) is a volunteer non-profit organization dedicated to preserving open space, protecting biodiversity, and promoting the well-being of residents in the Tucson Mountains. 

What's New?

TMA Annual Picnic!

Join us on October 17 for the TMA Annual Meeting & Potluck! Discuss news, meet TMA members, vote on board members, and enjoy good food. Bring your own dish! Location: Church of Painted Hills, 3295 W Speedway Blvd.

Pima Prospers 2025

Pima County's 10-year comprehensive land use plan recently concluded its public comment period. Read about our involvement and the final draft to be voted on by county supervisors on October 14, 2025.

Project Blue STalled

The plan to build a massive data center in southeast Tucson - Project Blue - was voted down by the Tucson City Council, after major public opposition. Read an op-ed by our President Ed Hendel, dashboard by Sky Island AI, and update from Supervisor Allen on future plans.

Activities & Interests

Events

Engage in local events organized by or promoting TMA interests

NewSLetters

Read past newsletters, letters to local government, and action alerts.

Zoning & Land USE

Updates on zoning and land use in the Tucson Mountains Region.

Nature & ECology

Photos, stories, and essays about nature and ecology of the Tucson Mountains.

ARTS & History

Contributed art, essays, and stories about living in the Tucson Mountains

ABOUT TMA

Learn about the TMA, our board members, and our strategic plan

Highlights

InterSTate 11

Read about the plan to build a freeway through Avra Valley, efforts to resist it by conservation groups (including TMA), and recent delays brought upon by the State of Arizona.

Painted Hills - History and Struggle

A coveted 286 acre parcel once slated for a 317-unit housing development --- Read about the four-year struggle for Painted Hills.

Desert Dreams

An award-winning film by TMA member Thomas Wiewandt. Click here to watch the trailer, order your copies, and earn a donation for TMA.

Links of Interest & Partner Organizations