McDowell Sonoran Preserve

The Scottsdale McDowell Sonoran Preserve is a large, permanently protected, sustainable desert habitat in Scottsdale, Arizona.

The preserve encompasses some 30500 acre contiguously, and is the largest city park (technically "nature reserve") in the United States. The preserve lands were purchased via a sales tax increment approved by Scottsdale voters, and the preserve is supported in-part by the McDowell Sonoran Conservancy.

Recreation
The preserve has over 180 mi of trails. The trailhead gates are open from sunrise to sunset and there is no charge for access or parking.

Popular activities include hiking (guided & self-guided), mountain biking, rock climbing, running, & horseback riding.