All descriptions begin in northeast corner and move counter-clockwise.
Northern Boundary:
Pinal County Line.
Western Boundary:
Sawtooths from Pinal County Line to Avra Valley Rd. to Tohono O’odham Reservation.
Southern Boundary:
Tohono O’odham Reservation to Sandario Rd.
Sandario Rd. from Tohono O’odham Reservation to 2600-S Gridline.
2600-S Gridline from Sandario Rd. to Tucson Mountain Park. East through Trails End.
Eastern Boundary:
6200-W Gridline from Trails End to Sunset Rd.
Sunset Rd. from 6200-W Gridline to 4600-W Gridline.
4600-W Gridline from Sunset Rd. to Interstate 10.
Interstate 10 from Sunset Rd. to 7800-W Gridline.
7800-W Gridline from Interstate 10 to the Pinal County Line.