Stewart Mountain Desert Tortoise Quest. Have you ever seen a Sonoran Desert Tortoise in the wild? Learn about the behavior, life cycle, and status of this keystone species. Difficulty: 4 (steep, rocky terrain, and hot, humid weather, spiny vegetation, some boulder hopping). Bring snacks, sun protection, hat, sturdy hiking shoes, strong flashlight and mirror, and plenty of water. This will be our first afternoon/evening trip. We will meet on-site at 4:00pm and return to the vehicles at dusk (a headlamp is a must). Bring flashlight for hiking in the dark! Limit: 10. Leader: Laurie Nessel. Reservations at laurienesselatgmail.com or 602 391-4303. Leave your name, email address, cell number, cross-streets for car-pooling and whether you can drive or would like a ride.