Tomyhoi Peak/Southeast Route

The Southeast Route on Tomyhoi Peak is a moderate but technically challenging, exposed scramble with 12 miles of travel and 3,800 feet of elevation gain.

Driving Directions

Drive east on State Route 542 and turn left on Forest Road 3065.  Park at the Gold Run Pass Trailhead at 3,700 ft.

Approach & Ascent

Hike the Gold Run Pass Trail to 5,900 ft and bear left on the Yellow Aster Meadows Trail. Continue on the Yellow Aster Meadows Trail to the meadow and several small lakes at 5,580 ft. Camp on durable surfaces here and avoid trampling the fragile heather.

Head NNW from the meadow over a hump and down to a col at 6,266 ft.  Ascend from there until the ridge narrows.  Bypass this section via broad benches on the north side. Then ascend to and traverse the top edge of the glacier to avoid climbing around several rock pinnacles. Climb over the false summit, descending to a notch at 7,200 ft. Climb the left edge of the ridge for 160 feet and then cross a ledge west (left) to a wide corner. Climb scree and ledges to the summit.

  • Suitable Activities: Climbing, Scrambling
  • Climbing Category: Basic Alpine
  • Seasons: July, August, September
  • Weather: View weather forecast.
  • Difficulty: Technical 4, Strenuous 3, Basic Alpine Climb
  • Length: 12.0
  • Elevation Gain: 3,800 ft
  • 7,435 ft
  • Green Trails Mount Baker Wilderness Climbing No. 13S
  • USGS Mt Larrabee
  • Trails Illustrated North Cascades National Park
  • Red Marker
    48.974812, -121.709086
    48.9748124111 -121.709086218
  • Red Marker
    48.943574, -121.660530
    48.9435741956 -121.660529816

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