Sinclair Wash Trail

Flagstaff Urban Trails System (FUTS)About the Trail

Sinclair Wash Trail is Flagstaff's longest urban trail is also one of its most varied. 

Traveling north from Fort Tuthill County Park, the trail passes through a rural area marked by open grasslands and patches of Ponderosa pines. Further north, the trail follows the Sinclair Wash through the more urban setting of the Woodlands Village commercial area. Turning east, the trail passes under I-17/Milton Avenue, enters the campus of Northern Arizona University, and winds along a forested hillside across the south end of the campus.

East of Lone Tree Road, the trail parallels the Rio de Flag through a verdant, limestone-walled canyon. In this section there is an atmosphere of quiet and solitude, even in the middle of Flagstaff. Two small seasonal ponds at the eastern end attract a variety of water birds and other small animals. The trail ends at its intersection with the Arizona Trail.


  • Fort Tuthill County Park to Arizona Trail


  • 5.7 miles | 9.2 kilometers


  • Concrete: 4% of the trail (0.2 mile | 0.3 kilometer)
  • Aggregate: 96% of the trail (5.5 miles | 8.8 kilometers)


  • Easy grades: 90% of the trail has grades of less than 5%
  • Moderate grades: 7% of the trail has grades between 5 and 10% (2,225 feet | 678 meters)
  • Steep grades: 2% of the trail has grades between 10 and 15% (600 feet | 183 meters)
  • Very steep grades: less than 1% of the trail has grades of more than 15% (100 feet | 30 meters)
  • Maximum grade: 17%


  • Low point: 6,805 feet | 2,074 meters
  • High point: 6,988 feet | 2,130 meters
  • Elevation range: 183 feet | 56 meters
  • Cumulative elevation gain/loss: 000 feet | 000 meters

Along the Way

  • Fort Tuthill County Park
  • Northern Arizona University
  • Sawmill County Park
  • Willow Bend Environmental Education Center

Intersecting Trails


View photos of the Sinclair Wash Trail in the Sinclair Wash Trail photo gallery.