Help Survey Springs Along the San Pedro
May 27, 2026This June, in partnership with The Nature Conservancy, Sky Island Alliance is supporting a Spring Seeker campaign along the San Pedro River, and we’re in need of self-motivated volunteers to…
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Erosion Control in the Catalinas
May 21, 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 Spencer Campground on Mt. Lemmon.
Workshop: Springs Trip Planning and Navigation
May 4, 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 Restoration in Bear Canyon
April 9, 2026Help 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.
Binational Border BioBlitz
April 2, 2026Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join SIA and partners for a special binational event, starting at San Bernardino National Wildlife Refuge in Arizona. Groups will be surveying on both sides and will eventually meet at the wall. If you’d like to join from Sonora instead, see the event on April 23-26.
Binational Border BioBlitz
Calling birders, botanists, bug lovers, trackers, herpers, fungi folk, and naturalists of all sorts! Join SIA and partners for a special binational event, starting at Cuenca Los Ojos ranch in Sonora. Groups will be surveying on both sides and will eventually meet at the wall. If you’d like to join from Arizona instead, see the event on April 25.
Trail Building in the Sierra San José
March 12, 2026Join us for a volunteer day trip just south of Bisbee in Naco, Sonora. We’ll be helping build a trail in the Sierra San José, an area that’s part of Ejido Naco and soon to be voluntarily designated for conservation.
Trail Building in the Sierra San José
Join us for a volunteer day trip just south of Bisbee in Naco, Sonora. We’ll be helping build a trail in the Sierra San José, an area that’s part of Ejido Naco and soon to be voluntarily designated for conservation.
Trail Building in the Sierra San José
Join us for a volunteer day trip just south of Bisbee in Naco, Sonora. We’ll be helping build a trail in the Sierra San José, an area that’s part of Ejido Naco and soon to be voluntarily designated for conservation.
Grassland Restoration at Rancho Agua de Enmedio
Join us for a volunteer camping weekend at the beautiful Rancho Agua de Enmedio near Cananea, Sonora. As part of our larger Ranchos Regenerativos program, we will be working with the landowners on restoration activities including erosion control, work in the tree nursery, and making seed bombs.