Backpack - Snowgrass Flats, Cispus Basin, Old Snowy & Goat Lake

This moderately easy , beginner, backpack starts on the Snowgrass Flats trail for 4.1 miles/1100 ft elevation gain and goes to a campsite followed on day 2 with day hikes of up to 9 miles RT to the Knife Edge/Old Snowy Mountain or Cispus Basin, then hike out on day 3 with priority signups for students of the Olympia Branch Backpacking Course. Signups will open up a week before the trip to people not in the Olympia Backpacking Course.

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.
  • For Beginners (Getting Started Series)
  • Mileage: 19.7 mi
  • Elevation Gain: 3,800 ft

Meeting for Carpool will be in Lacey, Washington (near to Olympia) to leave at 7 am from the Martin Way Park and Ride. There is an exit off of  I-5 for Martin Way  (turn left off the exit onto Martin Way if you approach on I-5 South or turn right after exit off I-5 if approaching from I-5 North.) The park and ride is next the I-5 exit for Martin Way in Lacey, WA.

Please come prepared to apply what you learned in the two day Olympia Branch Backpacking course with the ten essentials, tents/sleeping bags/pads , and food for two evenings, two breakfasts, and lunches.  The  Snowgrass Flats trailhead is 115 miles one way (2 hr and 45 min.) from Olympia, WA and includes maybe 15 miles on dirt roads.


Snowgrass Flats, Cispus Basin, Old Snowy & Goat Lake

  • Green Trails Packwood No. 302

    Green Trails Walupt Lake No. 335

    Green Trails White Pass No. 303

    Green Trails Goat Rocks William O Douglas Wilderness No. 303S
  • See full route/place details.
Required Equipment

Required Equipment

The Ten Essentials plus overnight gear which may include:

  • Tent with footprint/ground tarp
  • Stove and fuel
  • Sleeping bag
  • Sleeping pad
  • Water filter
  • Bear canister or extra stuff sack and cord designated for hanging food
  • Cooking pot/pan with plate and utensils
  • Toilet paper and shovel or blue bag to deal with waste
Trip Reports