Miles: 40
Climbing: 2875 ft
Trail Head: Leviathan Road
Alternate Trail Head: Topaz Rest Area
This route is a big loop featuring Leviathan Mine Road and closing the loop with CA89 and US395. It can be ridden in either direction but most will prefer to ride it counter-clockwise climbing Leviathan and descending CA89.
The loop features packed, gravel, dirt, and asphalt.