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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.

Participate in TMA events or local activities promoting TMA interests.

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

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

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

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

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

Pima County's 10-year comprehensive land use plan has entered its 60-day public comment period. Read our suggestions and provide your own.

I-11 plans are on hold pending a new environmental impact study. Read the Daily Star's report and our letter to Transportation Secretary Pete Buttigieg.

Learn about TMA, our board members, and our strategic plan at the TMA annual picnic and meeting --- Join us at Danny Lopez Park on August 15!

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.

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

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