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Petersburg School Loop (The Dalles)

  • Length:
    27.5 miles
  • Difficulty:
  • Best Season(s):
    Spring to Fall
  • Nearby Cities:
    The Dalles, Tygh Valley, Dufur, Mosier, Rufus
  • Region:
    Central Oregon, Eastern Oregon, Mt. Hood / The Gorge

Elevation Chart

Stay Safe

In Oregon, a bicycle is legally considered a vehicle, and the same Oregon road laws apply. Please “be seen” and practice safe riding. Vehicle traffic, farm equipment and narrow shoulders exist on many Oregon roads, and you may find that construction projects, traffic or other events may cause road conditions or signage to differ from the map results, ride descriptions and directions. For travel options plus weather and road conditions, visit, call 511 (in Oregon only), 800.977.6368 or 503.588.2941. Routes listed on this website are for informational purposes and intended as a reference guide only.

Start southeast on 8 Mile Rd/State Rd 2.6 miles (4136 meters)
Continue west on 8 Mile Rd/State Rd 4.3 miles (6845 meters)
Head east on Emerson Loop Rd 3.3 miles (5337 meters)
Turn left on Emerson Loop Rd 0.6 miles (1002 meters)
Head north on Emerson Loop Rd 3.4 miles (5435 meters)
Continue northeast on Kelly Cutoff Rd 2.5 miles (4101 meters)
Continue east on 15 Mile Rd 0.2 miles (298 meters)
Head north on 15 Mile Rd 6.2 miles (9975 meters)
Head west on 15 Mile Rd 4.2 miles (6765 meters)


Head south out of The Dalles on US 197 for a little over half a mile. Turn left on Columbia View Drive, which becomes Fifteen Mile Road. Park at the old schoolhouse.

The east side of the Gorge offers a wonderfully unique view of this area, with rolling wheatfields, towering cottonwood trees and basalt mesas. Ride west to Eight Mile Road from the old schoolhouse. Turn left and ride past the first turn to Emerson Loop Road. On the second turnoff to Emerson Loop, take a left (this turn comes at about the 7.2-mile mark). Turn left again on Emerson Loop Road at 10.5 miles. Turn right at Kelly Cutoff at 14.5 miles, and turn again on Kelly Cutoff at 16.1 miles. At mile 17.1, stay left on Fifteen Mile Road and head back to your starting point at the old schoolhouse.


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