Indiana
ModerateKnox County Wabash River Sand Prairie Technical Loop
Rare Indiana sand prairie meets Wabash River bottoms
Surface: Mixed
Indiana
EasyBig Oaks National Wildlife Refuge Tank Trail Heritage Circuit
WWII tank training roads through restricted ordnance zones
Indiana
ModerateHoosier National Forest Forest Road 4602 Hemlock Bluff Circuit
Technical limestone canyon route through rare hemlock groves
Indiana
ModerateHarrison-Crawford State Forest Ridge Road
Limestone ridge technical through Indiana karst country.
Indiana
ModerateMuscatatuck River Bottoms Historic Ferry Road
Civil War ferry crossings through flooded timber
Indiana
DifficultHoosier National Forest Forest Road 8010 Tower Ridge Loop
Limestone shelf technical through fire tower country
Indiana
ExpertDeam Wilderness Tecumseh Trail Technical Loop
Indiana's toughest wilderness challenge
Michigan
ModerateDrummond Island Maxton Plains Wildlife Loop
Limestone prairie wilderness on Michigan's remote island
Michigan
ModerateSault Ste. Marie Forest Service Road 3338 St. Marys River Backcountry Access
Voyageur route with Great Lakes shipping views
Michigan
ModerateKeweenaw Peninsula Copper Mining Heritage Backcountry Circuit
Copper rush ghost roads through mining country