501

501 is an easy 50 trail for dirt bikes and ATVs but is slightly harder for ATVs due to steep climbs and lots of whoops. The trail is a wide ridge line path across a series of green rolling hills in the Boise National Forest. It's two-track width the whole way on a dirt surface, and the dirt is a li...

When to go: Summer and Fall typically offer the best window.

Vehicles: ATV, Dirt Bike, Jeep/Truck. Standard maintenance and a spare tire cover the basics here.

Southwest Idaho context

Southwest Idaho splits across the Snake River. South of the river is Owyhee high desert — sage flats, slickrock canyons, and a million-plus acres of BLM. North is the Boise National Forest, with mining-era roads, ponderosa, and quick out-of-Boise access. Most weekend trips work off Boise, Mountain Home, Marsing, or McCall.

Best for drivers who understand their vehicle and the cost of a mistake in remote country.