Pipe Spring National Monument is a United States National Monument located in the U.S. state of Arizona, rich with American Indian, early explorer, and Mormon pioneer history. Administered by the National Park Service, Pipe Spring was listed on the National Register of Historic Places on October 15, 1966, and the boundaries of the Pipe Spring National Monument Historic District were expanded in October 2000.

Eliza Luella "Ella" Stewart Udall was an American telegraphist and entrepreneur. Recruited by Brigham Young in 1870 and stationed at the Deseret Telegraph Company office in Pipe Spring in 1871, Udall was the first telegraph operator in Arizona Territory.