Redfield Cliff House

Sky Island Hikes: Adventuring in Redfield Canyon

May 12, 2025

Guest Blog by Eric Aldrich The following is part of a series of recommended Sky Island hikes. Be safe, have fun, and leave no trace. Part 1 I first learned about Redfield…
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Pronghorn

Coffee Break: Improving Borderlands Wildlife Corridors

May 8, 2025

Only a few sections of the U.S.-Mexico border within the Path of the Jaguar are still passable to most wildlife. One of these sections is the San Rafael Valley between…
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San Pedro River

Help Survey Springs Along the San Pedro

May 7, 2025

This 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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Pale spikerush

Workshop: Springs Trip Planning and Navigation

April 30, 2025

Join 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.

Endangered species

Take Action: Endangered Species Act Under Attack

April 29, 2025

Wildlife habitats across the U.S. are under attack with a recent Trump administration proposal to change the wording of the Endangered Species Act. There are two key parts to the…
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Galiuros Wilderness spring seeking

Tucson ‘Spring Cleaning’

April 24, 2025

Join our campaign to remove invasive species at nine priority springs in the Tucson area. Together, we can restore these crucial wildlife oases! We’ll be working mostly in the Sabino Canyon area on the northeast side of town and near Vail and Davidson Canyon on the southeast side. Stay as long as you like, and leave whenever you need to. This is a great way to create an impact, get in a workout, and meet other volunteers.

McGrew Spring

Tucson ‘Spring Cleaning’

Join our campaign to remove invasive species at nine priority springs in the Tucson area. Together, we can restore these crucial wildlife oases! We’ll be working mostly in the Sabino Canyon area on the northeast side of town and near Vail and Davidson Canyon on the southeast side. Stay as long as you like, and leave whenever you need to. This is a great way to create an impact, get in a workout, and meet other volunteers.

Open Mic: Summon the Monsoons

Open Mic: Summon the Monsoons

April 23, 2025

In partnership with the University of Arizona’s Poetry Center, join Sky Island Alliance at Hotel Congress’ Century Room to celebrate and call in the 2025 monsoon season. Participants can share their own work or a rain-themed poem that they love. Expect to read 1-2 poems, based on event participation. Help us augur a good monsoon season with poetry!

Aravaipa

Aravaipa Canyon Vinca Removal

April 18, 2025

Come join us for a weekend in Aravaipa Canyon Preserve as we resume the fight against invasive vinca!

Aravaipa Creek

Aravaipa Canyon Vinca Removal

Come join us for a weekend in Aravaipa Canyon Preserve as we resume the fight against invasive vinca!