Quitobaquito Hills is a range of hills in Pima County, Arizona. The name is of Tohono O'odham - Spanish origin meaning 'house ring spring'. Its tallest summit is an unnamed hill 1,880 feet / 573 meters that overlooks Cipriano Pass to the east. The range trends northwest from near the Mexican border at 31°56′24″N 113°00′47″W, east of Quitobaquito Springs northwestward out of the Organ Pipe Cactus National Monument to the tallest summit then turns westward to the vicinity of 31°59′55″N 113°06′12″W, south of the eastern end of the Agua Dulce Mountains. [1]