Boulder River


Day Hike - Boulder River

Boulder River Wilderness provides winter rambling with lovely water features, big trees, mosses, lichens and liverworts to wonder at.

COVID-19: Learn about our most up-to-date guidance for participants and leaders on our COVID-19 Response page. All participants and leaders must agree to the COVID-19 Code of Conduct before participating in this Mountaineers activity.
  • Easy/Moderate
  • For Beginners (Getting Started Series)
  • Mileage: 8.6 mi
  • Elevation Gain: 700 ft

145th Street Park and Ride 8 AM

Boulder River is a  wilderness area surprisingly close to Seattle and without significant elevation gain. Come share the beauty of winter green in this relatively secluded area. This is the hike of the month for February.


Boulder River

Required Equipment

Required Equipment

The Ten Essentials

  1. Navigation
  2. Sun protection
  3. Insulation (extra clothing)
  4. Illumination
  5. First aid supplies
  6. Fire
  7. Repair kit and tools, including knife
  8. Nutrition (extra food)
  9. Hydration (extra water)
  10. Emergency shelter
Trip Reports