South Dakota
Difficult
Angostura Reservoir OHV Trail System
Technical reservoir wheeling with serious hill climbs
Surface: Rock
South Dakota
Expert
Bulldog Gulch Trail
Granite gauntlet that eats differentials
South Dakota
Difficult
Missouri River Breaks Buffalo Gap Trail
Lewis and Clark's nightmare, modern 4x4ers' challenge
California
Difficult
Sidewinder Trail
Technical granite crawling minus the tourist hordes
California
Extreme
Diablo Dropoff Trail
Badlands punishment for the hardcore
California
Moderate
Coyote Creek Road
Mining history meets Joshua tree wilderness
California
Difficult
Black Canyon Road
Slot canyon adventure in the Anza-Borrego
California
Difficult
Buttercup Valley Road
Joshua Tree's gnarliest rock gardens
California
Difficult
Chariot Canyon Road
Ancient canyon route through desert slots
California
Difficult
Pinkham Canyon Road
Slot canyon technical challenge with mining history