Saguaro National Park, mountain and desert region in southern Arizona, U.S. The park consisting of two districts, Saguaro West and Saguaro East, separated by the city of Tucson embraces forests of saguaro: a giant candelabra-shaped cactus that may reach 50 feet (15 metres) in height and live for 150 to 200 years. Established as a national monument in 1933, it became a national park in 1994; it has a total area of 143 square miles (370 square km). The saguaro, which is unique to the Sonoran Desert in the southwestern United States and northwestern Mexico, bears a white blossom (the Arizona state
Saguaro National Park is on the New York Times’ 2022 list of places impacted by climate change. Local scientists share some concern, but they’re optimistic about the future.