Boyce Thompson Arboretum State Park

Boyce Thompson Arboretum State Park is an Arizona state park located in Superior, Arizona near Phoenix, Arizona in the United States. It consists of a 323-acre (1.31 km²) botanical collection that includes a wide range of habitats and a 1.5 mile (2.4 km) main loop walking trail. Founded in 1925, the arboretum is the largest and oldest botanical garden in the state of Arizona. It is jointly managed by the Boyce Thompson Arboretum, Inc., a 501 c(3) non-profit organization, the University of Arizona, and Arizona State Parks.