Find examples of construction techniques, management, and planning issues.
Boardwalk at Bumpass Hell in the Lassen Volcanic National Park, northern California
The Maston Area of the Cascade Mountains; where bikers, horses and hikers share the space, but not the trails. Trail routes are lines with lava rock.
Once an ancient Hawaiian walking path, The Hoapili Trail follows the coastline across jagged lava flows.
Once an ancient Hawaiian walking path, The Hoapili Trail follows jagged lava flows with stunning views of Molokai