Mount Si Old Trail


Day Hike - Mount Si Old Trail

Conditioner up and down Mt. Si old trail. Carry as much weight as you want, but be ready to dispose of it as needed to keep up with the group. Sense of humor required to participate.

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
  • Moderate
  • Mileage: 4.75 mi
  • Elevation Gain: 3,300 ft

Meeting Place: 8:00 a.m. at the Little Si trail head, main parking lot. Don't go to the main Mount Si parking lot! Take exit 32 on I-90 East for 436th Ave SE. Turn left onto 436th Ave SE, drive 0.6 miles. Turn left onto SE North Bend Way, drive 0.3 miles. Take the 1st right onto SE Mount Si Rd, drive 0.4 miles. Look for overflow parking lot on your left and main parking lot nearby with a sign marked "Little Si".

Parking Permit: You will need a Discover Pass.

Detailed e-mail will be sent out two days before the event. 

The trip will be take place under any safe weather conditions barring abnormal events like an earthquake, lightning storm or a winter storm. We will move as a group. In case  you're using this hike as a conditioner then feel free to carry as much weight as you want to, but be ready to dispose of it if needed to maintain the pace (hint: water jugs).

Our main goal will be to have a safe pleasant outing and make sure that everyone goes home.


Mount Si Old Trail

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