The Pima County Outdoor Lighting Code Committee (OLCC) meets the first Wednesday of every month, and is open to the public.  The OLCC provides recommendations to the City of Tucson Mayor and Council and the Pima County Board of Supervisors regarding the Outdoor Lighting Code, which is currently undergoing a major update. Usually, a TMA member is in attendance.Location: Online, see above link for details, or reach out to TMA@tucsonmountainsassoc.org

The Sonoran Desert Weedwackers meet three times per month (every second and fourth Wednesday and third Saturday) to pull buffelgrass from the Tucson Mountain Park. Beautiful scenery, community, strenuous labor, and post-event snacks and drinks are provided.

Friends of Danny Lopez Park hosts monthly cleanups of Silverbell and Archer Lake.The next cleanup is on Oct. 10. Instructions from organizer Barbara Jones: "We will meet in the parking area at the southern end of lake. When you drive into the park, take the first right and follow this all the way around behind PACC until you get to the meeting spot parking. We will be working along the east side of Silverbell Lake.  If someone has access to a kayak and would like to use it to get some of the trash from the lake, let me know.

On October 14, 2025, Pima County Supervisors will vote on the final draft of Pima Prospers 2025 Comprehensive Land Use Plan. The event is important to TMA, as we have been advocating for various changes to the previous land use plan, to protect S-8 (Tucson Mountains) region. Pima County’s Board of Supervisors meetings are open to the public. Citizens can attend in person at the Board of Supervisors Hearing Room, located on the 1st floor of the Pima County Administration Building at 130 W. Congress St., Tucson, AZ, and on-line. (See link for details).

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

The Sonoran Desert Weedwackers meet three times per month (every second and fourth Wednesday and third Saturday) to pull buffelgrass from the Tucson Mountain Park. Beautiful scenery, community, strenuous labor, and post-event snacks and drinks are provided.

The Sonoran Desert Weedwackers meet three times per month (every second and fourth Wednesday and third Saturday) to pull buffelgrass from the Tucson Mountain Park. Beautiful scenery, community, strenuous labor, and post-event snacks and drinks are provided.

Join rattlesnake expert Mike Cardwell for a nature hike in Painted Hills park. This event was organized by the Coalition for Sonoran Desert Protection.Meeting place: Painted Hills Trailhead, 3590 W Anklam Road.