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Location Address

Spur Mountain FR 3300-100

Southside Trailhead — Mt. Bonaparte

Southside TR 308 is part of the PNT; its lower trailhead is located a half-mile up Spur Mtn road from the Bonaparte Lake Overlook at the top of Pipsissewa TR 383.

  • From Tonasket, follow Hwy 20 east for approx. 20 miles, then turn left Bonaparte Lake Rd (Bonaparte Lake Recreation Area).
  • Follow Bonaparte Lake road for approx. 1.5 miles, then turn left on Mill Creek FR 3230.
  • After about 1.3 miles on FR 3230, you’ll stay straight at the fork, continuing up Spur Mountain FR 3300-100.
  • In approximately five miles you’ll reach the Bonaparte Lake Overlook, where there’s room to park; then back track approximately 1/2 mile to reach the trailhead for Southside 308.


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