Wildlife-Friendly Fencing in the Mule Mountains
March 5, 2026Part 2: Over the course of two weekends, SIA will be completing a new wildlife-friendly fence around Abbot Spring to help it recover from overuse by cattle. This is a great chance to see a new corner of the Sky Islands, meet people and camp, and either learn a new skill or share your expertise with others.
Wildlife-Friendly Fencing in the Mule Mountains
Part 1: Over the course of two weekends, SIA will be completing a new wildlife-friendly fence around Abbot Spring to help it recover from overuse by cattle. This is a great chance to see a new corner of the Sky Islands, meet people and camp, and either learn a new skill or share your expertise with others.
Looking Back on My 20+ Years With SIA
This year, as we celebrate our 35th anniversary and share visions and plans for the future, there’s a lot of fun reminiscing going on. For me personally, I’ve been looking…
Read more »
Workshop: Springs Trip Planning and Navigation
March 3, 2026Join SIA staff for an evening at our Tucson office getting ready for upcoming volunteer trips to visit springs within the Sky Islands. Topics covered will include: reading maps and satellite images, navigation aids on desktop computers and smartphones, making tracks and reading elevations and contours on maps, planning backcountry vs. trail walks, etc. With these skills, you’ll be ready to volunteer with confidence.
Spring Seeking in the Catalinas
February 26, 2026Join us for some wild and beautiful hikes on the east side of the Catalinas, near Redington Pass, as we survey springs by day and car camp at night.
Erosion Control in the Catalinas
February 24, 2026Join us in the Santa Catalina Mountains for a weekend building erosion-control structures in areas burned by the 2020 Bighorn Fire. Together, we can protect springs from landslides and ensure the mountain absorbs even more rain and snowmelt, recharging the aquifer that plants, wildlife, and people like us depend on. Note: Carpooling from Tucson is available, and day-trippers are most welcome. We’ll be camping at Whitetail Campground on Mt. Lemmon.
Barrel Spring Arundo Removal
February 20, 2026Join us for a morning at a historic Tucson spring, now in an urban setting, as we remove this invasive plant and restore a wildlife oasis.
Spring Restoration in Bear Canyon
Help us restore a wildlife oasis by removing invasive grasses and oleander along the Bear Canyon drainage around Rancho Fundoshi Spring. We’ll be working in the soil, bending, kneeling, and using hand tools, picks, and lots of elbow grease.
Volunteer Open House
February 2, 2026Celebrate the milestones of our hard-working volunteers, socialize with the Sky Island community, and learn about upcoming volunteer events!
This event will be held at the Sky Island Alliance office, with light refreshments provided. Please RSVP by March 19.
Mescal Spring Invasive Plant Removal
January 20, 2026Let’s get our hands dirty and help restore this beautiful spring southeast of Tucson by removing invasive plants.