San Juan Island Trails

Mount Grant Preserve

Trail Specifics:

  • Port o potty at summit.
  • 5+ miles of trails, includes roads
  • Dogs must be on leash
  • Picnic tables and benches at summit
  • Also benches along Greywacke trail
  • 📍Trail Map

Located between Mount Dallas and Cady Mountain on San Juan Island, Mount Grant Preserve protects and provides access to 250 acres of native forest and meadow.

Visitors to the ridgetop summit are rewarded with sweeping vistas in all directions. A road leading to the summit is open daily for pedestrian and non-motorized use. Driving access to the summit is open Sundays, weather permitting, from 10am to 7pm, (April – October) and 10am to 4pm, (November – March), for everyone to enjoy the Preserve’s expansive views, regardless of physical ability. For more information about the preserve, visit the San Juan County Land Bank website.

When you visit:

  • Stay on designated trails.
  • Daytime and pedestrian use only.
  • Dogs allowed April-September only and must be on leash.
  • Take nothing.
  • Leave nothing.