- Rattlesnake Mountain Natural Resources Conservation Area
- Rattlesnake Mountain Scenic Area (dnr.wa.gov)
The 1,876-acre Rattlesnake Mountain Scenic Area forms part of the southern mountainous ridge of the Snoqualmie Valley and faces Mount Si. Viewed from the I-90 corridor above the City of North Bend, this scenic NRCA is co-managed and co-owned by DNR and King County. The NRCA protects scenic and visual resources, cliff terrain, wildlife habitat, numerous riparian systems and pockets of old growth forest.