In light of COVID-19 and guidance from local, state and federal public health agencies, the McDowell Sonoran Conservancy continues to suspend public activities that require the gathering of groups of people or close personal contact until guidance allows for resumption of those activities. For as long as necessary, the Conservancy, its staff, and stewards will continue with much of their work while maintaining a safe working environment.



Tom’s Thumb Trailhead 23015 N. 128th Street, Scottsdale

This Moderate hike visits the Marcus Landslide geological site, second largest landslide in Arizona. The elevation gain is 400 ft. over 4 miles in about 2.5 hours. Restrooms available at the trailhead. Bring water and snacks for the trail.  No dogs please. Arrive 15 minutes before start of hike.


GivingTuesday is a global generosity movement unleashing the power of people and organizations to transform their communities and the world. We're participating in #GivingTuesdayNow, a global day of unity to take place on May 5, 2020, as a response to the unprecedented need caused by COVID-19.

Tour De Scottsdale – Virtual Cycling Event

Market Street at DC Ranch 20645 N. Pima Rd, Scottsdale

The seventeenth annual Tour de Scottsdale is VIRTUAL! Please support the McDowell Sonoran Conservancy, a nonprofit conservation organization in Scottsdale that protects and promotes the McDowell Sonoran Preserve.