Venom in the Preserve Educational Walk at Brown's Ranch Trailhead Location: Brown’s Ranch Trailhead - 30301 N. Alma School Rd. Scottsdale, AZ 85262 Skill level: Easy Time: ~2 hours Some reptiles and arthropods in the Sonoran Desert use venom or other poisons to defend themselves or subdue their prey. Learn how to recognize these animals

Ride Geology Educational Ride at Brown's Ranch Trailhead When, how and why did all those different rocks get into the Preserve? How about our own earthquake fault? This is an intermediate skills and moderate cardio ride and will take us through the various geological formations of the area. Get the big picture on a bike.

High Desert & Stagecoach Trails Hike at Brown's Ranch Trailhead This hike will take you into the High Desert Trail area with a stop at Cathedral Rock. Experienced hikers suggested. Location: Brown’s Ranch Trailhead - 30301 N. Alma School Rd. Scottsdale, AZ 85262 Skill level: Difficult Distance: ~7.4 miles Time: ~4 hours Pets are not