Black Rock via Thurston Griggs Trail trail stages
stage 1
Starting at: Hagerstown, Washington County, 21740
Ending at: Hagerstown, Washington County, 21740
Distance: 5.3 km
Elevation gain: 303 m
Duration: 01:34:08
Starting at: Hagerstown, Washington County, 21740
Ending at: Hagerstown, Washington County, 21740
Distance: 5.3 km
Elevation gain: 303 m
Duration: 01:34:08