Mailbox Peak


Basic Rock Climb - Mailbox Peak

Time to get checked off for conditioning, basic climbing students! We will try to reach the top in less than 2.5 hours. To get signed off, please bring a pack with at least 20% of your body weight or weighing 25 lbs. (whichever is greater). We will go up and down the Old Trail, which is steep. Bring microspikes!  It will probably be raining, so bring layers!

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.
  • Sun, Mar 21, 2021
  • Seattle Climbing
  • Climbing
  • Adults
  • Very Strenuous, Snow Scramble, Winter Scramble
  • Challenging
  • Mileage: 5.4 mi
  • Elevation Gain: 4,100 ft

We will meet by the bathroom in the parking lot at 8AM on Sunday morning.


Mailbox Peak

  • Green Trails Mount Si NRCA No. 206S

    Green Trails Middle Fork Snoqualmie No. 174S

    Green Trails Bandera No. 206
  • See full route/place details.
Required Equipment

Required Equipment

The Ten Essentials

  • Navigation
  • Headlamp
  • Sun protection
  • First aid
  • Knife
  • Fire
  • Shelter
  • Extra food
  • Extra water
  • Extra clothes
Trip Reports