Thunder Knob Trail trail stages
stage 1
Starting at: Rockport, Whatcom County, 98283
Ending at: Rockport, Whatcom County, 98283
Distance: 5.4 km
Elevation gain: 276 m
Duration: 01:32:14
Starting at: Rockport, Whatcom County, 98283
Ending at: Rockport, Whatcom County, 98283
Distance: 5.4 km
Elevation gain: 276 m
Duration: 01:32:14