2024 Eco Explorers Summer Camp Staff. About Us. Surrounded by ponderosa forest at 7,150 feet in elevation with spectacular views of the San Francisco Peaks, The Arboretum at Flagstaff is a unique destination, specializing in increasing the understanding, appreciation and conservation of plants native to the Colorado Plateau. Home to 750 species of plants, the beautiful 200-acre property consists of gardens, greenhouses, and woodland trails that a...