he Arboretum at Flagstaff is a botanical garden, research station, and environmental education center. Our goal is to help you better understand the plants and plant communities of the world-renowned Colorado Plateau, home to such natural wonders as Grand Canyon and Zion National Parks. The Arboretum is known for its beautiful collection of 2,500 species of plants, guided tours, Wild Birds of Prey programs, and spectacular views of the surrounding mountains, meadows, and forests.