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Trip

Day Hike - Twin Sisters, Jug & Penoyer Lakes

Trip will initially open to Tacoma Branch Conditioning Hiking Students. Trip will open for registration to all Mountaineers, based on availability, 7-10 days prior to date of the hike.

  • Very Strenuous
  • Easy
  • Mileage: 16.25 mi
  • Elevation Gain: 3,040 ft
  • Pace: 1.5 - 2 mph

This hike will start at the Deep Creek Trailhead parking lot.    We will meet at 7am and be on the trail no later than 7:30am after introductions, gear adjustments and a discussion on the skills focus for August.  

Directions to the trail head:
From the west, take State Highway 410 over Chinook Pass and continue for 19 miles. From the east, take US Highway 12 west from Naches for 4.5 miles and then go straight onto State Highway 410 and follow it for 29 miles. From either east or west, turn onto the Bumping River Road (paved) and follow it for 11 miles. When the paved road turns right for the Bumping River Dam, go straight onto USFS Road 1800 for 0.3 mile. When the paved road turns right for the campground, go straight onto the dirt road (USFS 1800) and follow it for 2.3 miles. Bear left onto USFS Road 1808 and follow it for 7.2 miles to the end and a small campground with trailhead parking.

Northwest Forest Pass required

More details will be emailed out on the Thursday before the hike.

Trip will initially open to Tacoma Branch Conditioning Hiking Students.  Trip will open for registration to all Mountaineers, based on availability, 7-10 days prior to date of the hike.

Twin Sisters, Penoyer and Jug Lakes are three of the lakes on the Olympia Branch South Cascades Lakes list. 

There is camping available at the trailhead and at Bumping Lake Campground.  

Route/Place

Tumac Mountain & Twin Sisters Lakes



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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