Ethnobotany Walk: Surviving and Thriving in the Sonoran Desert at Brown's Ranch Trailhead Location: Brown's Ranch Trailhead - 30301 N. Alma School Rd. Scottsdale, AZ 85262 Skill level: Easy Distance: 0.5 mile Time: ~2 hours Discover how native Americans used plants to fulfill their basic needs. Pets are not permitted at our activities due to