Lost Lake Mainline

12.3 mi · ▲ 1,224 ft · 4 hr 43 min

Lost Lake Mainline is a 12.3-mile out-and-back near North Sultan, WA. It climbs 1,224 ft, with sections as steep as 15% grade. It scores 75/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi443 – 974 ft · steepest grade: 15%12.4 mi

Getting there

Trailhead: Unnamed 47.91777, -121.84544
Nearest town North Sultan, WA

Directions

AMBLEWAYwww.ambleway.com

Lost Lake Mainline

12.3 mi · ▲ 1,224 ft · 4 hr 43 min

Elevation 441–973 ft

Out & Back

Trailhead: 47.91777, -121.84544

Weather Aug 4: sunrise 5:49 AM · sunset 8:40 PM

  1. Start on Lost Lake Mainline, heading NE.
  2. 6.2 miReach Lost Lake Mainline, then turn around and head back the way you came.
  3. 6.2 miArrive back at the trailhead.

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

Trail surface

12% dirt88% unspecified

Weather

Sunrise 5:49 AMSunset 8:40 PM

Sunset

The best sunset spot on this hike is 3.4 mi in (~96 min). Leave by 6:44 PM for the 8:40 PM sunset. Back at your car by 10:24 PM, after dark — bring a headlamp.

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