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!
Thank you to all who attended the TMA Annual Meeting & Potluck on Oct 17! Including Pima County Superviser Andreas Cano, representative Jeniffer Allen, GPANA, and our 2025 award winners: Thomas Wiewandt, Bob Smith, Judith Meyer, and Frank Staub.
Pima Prospers 2025
Pima County's 10-year comprehensive land use plan was recently updated. Read about our involvement and the final draft approved 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
