Surprise Lake & Mountain

A variety of challenging day hikes, snowshoe treks, and year 'round scrambles from Scenic into the Alpine Lakes Wilderness near Stevens Pass.

Getting there

Drive US-2 to Scenic, 10 miles east of Skykomish. Turn south into Scenic, cross the railroad tracks, turn right and follow the gravel road 0.3 mile to the Surprise Lake trailhead (2,200 ft).

on the trail

Surprise & Glacier Lakes

11 miles round trip with 2,800 feet of elevation gain, 4,900 ft high point

Hike the Surprise Lake Trail 4.6 miles to Surprise Lake (4,500 ft). Continue 1.1 miles to Glacier Lake (4,800 ft).

Surprise Mountain (6,333 ft)

15.5 miles with 4,100 feet of elevation gain, 6,330 ft high point

From Glacier Lake, continue on the Pacific Crest Trail 1.6 miles to Surprise Gap. Turn right an climb 0.7 mile to the summit of Surprise Mountain (6,330 ft).

Thunder Mountain Lakes

12.0 Miles round trip with 4,000 feet of elevation gain, 5,800 ft high point

Hike the Surprise Lake Trail and camp at Surprise Lake, Glacier Lake, or Trap Lake. The day hike to Thunder Mountain Lakes. Reaching the lakes requires hiking on the Thunder Mountain Lakes Trail and some scrambling. Camping at Thunder Mountain Lakes is not recommended in en effort to protect the delicate alien ecosystem.

approach & ascent

Surprise Mountain (6,330 ft)

15.5 miles with 4,100 feet of elevation gain

A challenging winter scramble that becomes a hike when the snow melts.

Spark Plug Mountain (6,311 ft)

10 miles round trip with 4,200 feet of elevation gain

A challenging winter scramble that becomes a Strenuous 4, Technical 4 scramble by summer.

Mac Peak (6,859 ft)

14 miles round trip with 3,000 feet of elevation gain
difficulty: strenuous 4, technical 3

A difficult 14-mile scramble with 5,000 feet of elevation gain. It is the highest peak in the Stevens Pass quad that towers above nearby peaks and is surrounded by tarns and lakes.

  • Difficulty: Strenuous, Very Strenuous, Strenuous 4, Technical 4, Technical 3, Winter Scramble
  • Length: 15.5 mi
  • Elevation Gain: 4,100 ft
  • 6,330 ft
Map
  • Green Trails Alpine Lakes West (Stevens Pass) No. 176S
  • USGS Scenic
Activities

Upcoming Activities

CHS 2 Hike - Surprise Mountain

Day Hiking Field trip: Conditioning Hiking Series
Starting near Stevens Pass, we'll hike along Surprise Creek to the lovely duo of Glacier
Difficulty: Strenuous/Very Strenuous
Sat, Aug 14, 2021
No Prerequisites
2 participants
Registration closes Aug 12
Seattle Branch

CHS 1 Hike - Surprise Lake & Mountain

Day Hiking Field trip: Conditioning Hiking Series
CHS graduation hike led at a CHS 1 pace (1.5-2.0 mph)
Difficulty: Strenuous, Very Strenuous
Sat, Sep 11, 2021
No Prerequisites
7 participants
Registration opens Aug 25
Seattle Branch
Trip Reports
Titles

This is a list of titles that represent the variations of trips you can take at this route/place. This includes side trips, extensions and peak combinations. Not seeing a title that fits your trip? Log in and send us updates, images, or resources.

  • Surprise Mountain
  • Surprise Lake
  • Glacier Lake
  • Trap Lake
  • Thunder Mountain Lakes
  • Surprise & Glacier Lakes
  • Surprise & Thunder Mountain Lakes
  • Surprise, Glacier & Thunder Mountain Lakes
  • Trap & Thunder Mountain Lakes
  • Spark Plug Mountain
  • Mac Peak
Resources

There are no resources for this route/place. Log in and send us updates, images, or resources.