Hike with Natural Resources Coordinator at Pima Dynamite Trailhead Spend about 2 hours on an easy hike with Madison Barasha, the Natural Resources Coordinator, as she discusses various pertinent topics while hiking in the desert. The material will depend on the season, animals, plants, and will cover whatever is happening in this wonderful environment. Bathrooms and water available at the trailhead. Bring water for the trail. No dogs please. Arrive 15 minutes before start of hike.