CHS 1 Hike - Coldwater Peak, Harry's Ridge & Pumice Plain

Field trip: Conditioning Hiking Series

CHS 1 Hike - Coldwater Peak, Harry's Ridge & Pumice Plain

CHS1 hike led at pace 1.5-2.0 mph. We'll explore the varied volcanic landscape on the north side of Mount St. Helens by hiking the Boundary Trail to Harry's Ridge and Coldwater Peak.

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.
  • Strenuous
  • Challenging
  • Mileage: 11.0 mi
  • Elevation Gain: 1,500 ft
  • Pace: 1.5-2.0 mph

We’ll meet at the Star Lake P&R in Kent/Federal Way at 6:00 a.m. and consolidate cars for the 3-hour drive to the trailhead. The hike involves a car drop, so bring your patience as we work through the logistics. It’s paved road all the way to the trailhead, so please consider driving if you haven’t in a while. Drivers will require a Northwest Forest Pass or equivalent. 



Coldwater Peak, Harry's Ridge & Pumice Plain

  • Green Trails Mount St Helens NVM No. 332S

    Green Trails Spirit Lake No. 332

    Green Trails Mt St Helens No. 364
  • See full route/place details.
Required Equipment

Required Equipment

Ten Essential Systems

  1. Navigation (map & compass)
  2. Sun protection (sunglasses & sunscreen)
  3. Insulation (extra clothing)
  4. Illumination (headlamp/flashlight)
  5. First-aid supplies
  6. Fire (waterproof matches/lighter/candle)
  7. Repair kit and tools
  8. Nutrition (extra food)
  9. Hydration (extra water)
  10. Emergency shelter (tent/plastic tube tent/garbage bag)
Trip Reports