Placeholder Routes & Places


Day Hike - The Hummocks

Explore unique features causes by the eruption of Mt St Helens with chance wildlife sightings; with optional carcamp at Seaquest State Park.

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.
  • Sat, Sep 9, 2017
  • Kitsap Branch
  • Exploring Nature, Day Hiking
  • Adults
  • Easy
  • Mileage: 3.1 mi
  • Elevation Gain: 350 ft

10:00 AM Johnston Ridge Observatory





We will kick off the day by visiting the observatory.  After that we will venture onto the Eruption Trail, 0.6 mi paved path with 100' elevation gain with panoramic views of the crater.  Later we will return via the road we came in on, and visit the Hummocks, a 2.5 mi loop hike with 250' elevation gain with possible wildlife and really cool features that were created by massive debris from the eruption.  Time allowing there are more short interpretive trails to explore.


There are 2 hikes planned for this weekend.  This is day 1.  Day 2 includes Harry's Ridge which is considered moderate for its terrain, and is listed separately.  

Leaders will be staying at Seaquest State Park, if you wish to make overnight or carcamp arrangements, for the evenings of September 9 and 10 in order to participate in both trips.  

Possible carpool information will be shared accordingly.   



Johnston Ridge & The Hummocks

  • Green Trails Mount St Helens NVM No. 332S

    Trails Illustrated Mt Saint. Helens/Mount Adams

    Green Trails Spirit Lake No. 332
  • See full route/place details.
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