Rattlesnake Mountain Scenic Area


Attention: Recreation Alerts and Closures

Recreation alert: DNR managed lands and campgrounds have begun to open. Some facilities may not be available. Get the latest information on openings here
View a list of additional operational changes related to COVID-19
Rattlesnake Mountain Boundary Expansion 
DNR is seeking public comment on a boundary expansion for the Rattlesnake Mountain Scenic Area. A public hearing will be held from 6:30 p.m. through the end of public testimony on Thursday, April 29, 2021
Briefing and Public Hearing
Si View Parks Community Center, Social Room
400 SE Orchard Dr, North Bend, WA 98045
Briefing Start Time:  6:30 p.m.
Public Hearing Start Time:  7 p.m.
(concluding at the end of testimony)
The public hearing will include a staff presentation about the boundary proposal. The purpose of the hearing will be to receive comments on a proposal to expand the boundary to include an additional 170 acres, east of the Rattlesnake Mountain Scenic Area. 
Due to the COVID-19 public health crisis and directives by the Washington State Department of Health (www.coronavirus.wa.gov/) DNR will practice COVID-safe entry to, and participation in, the public hearing. All participants will be required to: 
  • Physically distance with at least 6-feet separation when standing in line for entry to the event, 
  • sit in designated seats placed a minimum of 6 feet apart (same household can share multiple seats), 
  • bring and wear a COVID-safe face mask, and 
  • avoid congregations in groups while at the event. 
DNR will provide hearing testimony locations at safe distance from other participants. No food or drink will be allowed at this event. Please do not attend this event if you have a fever, cough, experience shortness of breath/difficulty breathing, loss of taste or smell, or have been exposed to someone with a confirmed case of COVID-19. 
DNR is accepting written comments now and will continue the public comment period through Thursday, May 6, 2021. Following the comment period, DNR staff will pass along a summary of comments on the proposed boundary expansion for decision by Commissioner of Public Lands Hilary Franz. Written comments may be mailed / emailed prior to the end of the comment period on Thursday, May 6, 2021 to: 
Email to: katie.woolsey@dnr.wa.gov with the subject line, “Rattlesnake Mtn Scenic Area Boundary” 
Or mail to:
Washington Department of Natural Resources
Attn: Rattlesnake Mtn Scenic Area Boundary
950 Farman Avenue North, Enumclaw, WA 98022
For additional information, contact:
Katie Woolsey, DNR Natural Areas Manager 
Phone: (206) 375-3558
The 1,851-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. 
Features Protected: Scenic view corridor of statewide significance, mid-elevation conifer forest, Roosevelt elk habitat
Ecoregion:  West Cascades (King County)

Science, Research and Monitoring

Public and private universities, other research institutions and individual researchers may contact DNR to propose a research project at the site. If you are interested in pursuing research at Rattlesnake Mountain Scenic Area, please contact David Wilderman, natural areas ecologist, at david.wilderman@dnr.wa.gov.  

Environmental Education and Public Access 

The trails at Rattlesnake Mountain Scenic Area offer an excellent outdoor classroom and they are convenient and accessible to many school communities in the Puget Sound region. The 10-mile Rattlesnake Mountain Trail reaches an elevation of 3,500 feet. The 2-mile Rattlesnake Ledge Trail, accessed from the City of Seattle’s parking area at Rattlesnake Lake, climbs nearly 1,000 feet to reach a viewpoint at nearly 2,100 feet overlooking the Cedar River Watershed. Green Trails maps provide detailed information about the trails at Rattlesnake Mountain.
The Rattlesnake Mountain Scenic Area Management Plan provides detailed information about natural resources present within the NRCA and appropriate use of the site. For more information, contact the South Puget Sound Region Natural Areas Manager.
  • Dogs allowed on leash.
  • Garbage service is not provided. Pack out what you pack in. 
  • Day use only. 
  • The Rattlesnake Mountain Scenic Area is closed to hunting.

Directions to the Site

Rattlesnake Mountain Trail:  From the Seattle metro area, travel east on Interstate 90 past the Highway 18 interchange; take Exit 27 and travel a short distance south on Winery Road to the trailhead (at Snoqualmie Point Park). 
Rattlesnake Ledge Trail: From Interstate 90 travelling east or west, take Exit 32; travel south on 436th Avenue SE, turning into Cedar Falls Road SE; follow this main road 3.1 miles to the parking area for Rattlesnake Lake; to reach the trail, follow an old roadbed that circles the lake to the right. 
A Washington State Discover Pass is required for parking. This funding helps DNR manage these important natural areas across the state.