South Dakota
Easy
Sheep Mountain Road
Fire lookout access with panoramic Black Hills views.
Surface: Gravel
South Dakota
Moderate
Prairie Edge Trail – Buffalo Gap National Grassland
Remote grassland exploration through homestead country
South Dakota
Easy
Spearfish Canyon Scenic Byway
Black Hills limestone canyon spectacular
South Dakota
Moderate
Black Hills Backcountry Byway
Black Hills mining history meets granite cathedral spires
Montana
Moderate
Crystal Lake Road (Forest Road 4132)
Alpine lake access through Cabinet Mountains wilderness
Montana
Easy
Forest Road 316 – Castle Mountain Loop
Castle Mountains mining heritage loop
Montana
Moderate
Gravelly Range Road (Forest Road 290)
Ridge-running through Big Sky's high country
Montana
Moderate
Whitefish Divide Road (Forest Road 9757)
Glacier's backside without the tourist traffic.
Montana
Moderate
Pioneer Mountains Scenic Route (Forest Road 484)
Mining ghosts and mountain solitude in one route.
Montana
Moderate
Glacier Rim Drive (Going-to-the-Sun Road Extension)
Hidden Glacier backcountry beyond the crowds