AMBLEWAY Wildest hikes

Atrium Peak–Big Heart Falls, 7 lakes

15.1 mi · ▲ 4,855 ft · 7 hr 28 min

Atrium Peak–Big Heart Falls, 7 lakes is a 15.1-mile out-and-back near Skykomish, WA. The route passes Little Heart Lake, Big Heart Falls, Big Heart Lake and 3 more before reaching Atrium Peak at the turnaround, 7.5 miles in. It climbs 4,855 ft, with sections as steep as 33% grade, and is mostly dirt. It scores 96/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi1,578 – 5,282 ft · steepest grade: 33%15.4 mi

Getting there

Trailhead: West Fork Foss Lakes Trailhead 47.63483, -121.30395
Nearest town Skykomish, WA
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Directions

AMBLEWAYwww.ambleway.com

Atrium Peak–Big Heart Falls, 7 lakes

15.1 mi · ▲ 4,855 ft · 7 hr 28 min

Elevation 1,579–5,284 ft

Out & Back

Trailhead: West Fork Foss Lakes Trailhead · 47.63483, -121.30395

Weather Sep 4: Light drizzle, high 64°F / low 49° · precip 36% · wind 2 mph · sunrise 6:29 AM · sunset 7:42 PM

Dogs allowed on leash · Toilets at the trailhead · Parking lot at the trailhead

  1. Start on West Fork Foss Trail, heading SW.
  2. 5.1 miPass Little Heart Lake.
  3. 150 ftBear right, heading SE.
  4. 1.5 miPass Big Heart Falls.
  5. 50 ftPass Big Heart Lake.
  6. 150 ftBear right, heading SE.
  7. 0.1 miTurn right, heading E.
  8. 50 ftTurn left onto Chetwoot Lake Route, heading NE.
  9. 0.5 miPass Chetwoot Lake Route Viewpoint.
  10. 50 ftPass Angeline Lake.
  11. 0.2 miPass Chetwoot Lake Route Viewpoint.
  12. 250 ftBear right, heading W.
  13. 50 ftReach Atrium Peak, then turn around and head back the way you came.
  14. 0.7 miTurn right, heading W.
  15. 50 ftTurn left onto West Fork Foss Trail, heading W.
  16. 1.7 miTurn right, heading SE.
  17. 5.1 miArrive back at the trailhead.

Each distance is the walk from the previous step. Tap a step for a map of its junction.

Trail map, photos and weather for this hike: www.ambleway.com/hikes/atrium-peak-out-back

Trail surface

100% dirt

Weather

Light drizzleTemperature 64°F49°
Precip36%Wind2 mphUV5Humidity52%
Rained 0.1″ yesterday (0.4″ over the last week)
Hourly temperatureRain chance
65°45° 12 AM: 12% rain1 AM: 8% rain2 AM: 2% rain3 AM: 2% rain4 AM: 2% rain5 AM: 1% rain6 AM: 3% rain7 AM: 2% rain8 AM: 2% rain9 AM: 1% rain10 AM: 2% rain11 AM: 3% rain12 PM: 8% rain1 PM: 13% rain2 PM: 21% rain3 PM: 27% rain4 PM: 36% rain5 PM: 29% rain6 PM: 29% rain7 PM: 32% rain8 PM: 23% rain9 PM: 9% rain10 PM: 3% rain11 PM: 2% rain
Sunrise 6:29 AM12 AM3 AM9 AM12 PM3 PMSunset 7:42 PM
Sat 65°50° 47%
Sun 72°52° 35%
Mon 69°49° 23%
Tue 80°51°
Wed 86°58°
Thu 75°56° 17%

Good to know

  • Dogs allowed on leash
  • Toilets at the trailhead
  • Parking lot at the trailhead

More from West Fork Foss Lakes Trailhead Trailhead

Hikes near Skykomish, Washington