Lost Lake Mainline

10.6 mi · ▲ 1,015 ft · 4 hr 2 min

Lost Lake Mainline is a 10.6-mile out-and-back near North Sultan, WA. It climbs 1,015 ft, with sections as steep as 17% grade. It scores 76/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi443 – 974 ft · steepest grade: 17%10.7 mi

Getting there

Trailhead: Unnamed 47.91872, -121.81527
Nearest town North Sultan, WA

Directions

AMBLEWAYwww.ambleway.com

Lost Lake Mainline

10.6 mi · ▲ 1,015 ft · 4 hr 2 min

Elevation 441–973 ft

Out & Back

Trailhead: 47.91872, -121.81527

Weather Aug 4: sunrise 5:48 AM · sunset 8:40 PM

  1. Start at the trailhead, heading N.
  2. 0.9 miTurn left onto Horseshoe Bend Mainline, heading SW.
  3. 0.3 miTurn right onto Lost Lake Mainline, heading W.
  4. 4.2 miReach Lost Lake Mainline, then turn around and head back the way you came.
  5. 4.2 miTurn left onto Horseshoe Bend Mainline, heading E.
  6. 0.3 miTurn right, heading NE.
  7. 0.9 miArrive back at the trailhead.

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

Weather

Sunrise 5:48 AMSunset 8:40 PM

Sunset

The best sunset spot on this hike is 2.6 mi in (~74 min). Leave by 7:06 PM for the 8:40 PM sunset. Back at your car by 10:00 PM, after dark — bring a headlamp.

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