Tucson's spectacular skyline features our five mountain ranges, all of which contain fantastic hiking and mountain biking for all experience levels. Tucson is also a Gateway Community to the 800-mile Arizona Trail. The sun rises over the Rincon Mountains on the east side Our legendary sunsets silhouette the Tucson Mountains on the west Flanking the north and northeast are the prominent Santa Catalina Mountains Rising to the south and southeast are the Santa Rita Mountains The Tortolita Mountains shelter the northwest Arizona is in the Southwest area of the United States between California and New Mexico. Tucson is an hour's drive from the Mexico border and less than two hours from Phoenix. Tucson's Nearby Mountain Ranges