Distance: 66.2 miles • Elevation Change: Nogales 3845 ft.-Tucson 2460 ft.

The surviving sections of historic US Route 89 from Nogales to Tucson are parallel to Interstate 19 which was completed in 1978. The highway parallels the Santa Cruz River in a broad valley between high mountain ranges through the Sonoran Desert. This section of highway 89 is notable for several historic sites related to early Spanish exploration and settlement and is part of the Santa Cruz Valley Heritage Area.

Special Attractions:
Tumacacori Highlands Wilderness Area
Tumacacori National Historic Park
Tubac Presidio State Historic Park
San Xavier Mission
 

 

Towns, Cities & Reservations:
Nogales
Rio Rico
Tumacacori
Carmen
Tubac
Amado
Continental
Green Valley
Sahuarita
San Xavier Reservation
Pasqua Yaqui Reservation
Tucson

Public Lands & Historic Places:
Santa Cruz Valley Heritage Area
Coronado National Forest
Tumacacori Highlands Proposed Wilderness
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Atascosa Lookout Trail



Pajarita Wilderness


Tumacacori National Historic Park


Tubac Presidio State Historic Park
Santa Rita Mountains-Mt. Wrightson Wilderness
San Xavior Mission

Landmarks:
Santa Cruz River
Atascosa Mountains
San Cayetano Mountains
Tumacacori Mountains
Santa Rita Mountains
Sierrita Mountains