AMBLEWAY Wildest hikes

HK Mainline

5.4 mi · ▲ 1,296 ft · 2 hr 27 min

HK Mainline is a 5.4-mile out-and-back near Startup, WA. It climbs 1,296 ft, with sections as steep as 20% grade. It scores 82/100 on the Ambleway Wildness scale: genuinely wild.

Elevation

0 mi728 – 2,047 ft · steepest grade: 20%5.4 mi

Getting there

Trailhead: HK Mainline 47.92219, -121.74874
Nearest town Startup, WA
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Directions

AMBLEWAYwww.ambleway.com

HK Mainline

5.4 mi · ▲ 1,296 ft · 2 hr 27 min

Elevation 728–2,046 ft

Out & Back

Trailhead: HK Mainline · 47.92219, -121.74874

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

  1. Start on HK Mainline, heading N.
  2. 2.7 miReach HK Mainline, then turn around and head back the way you came.
  3. 2.7 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/hk-mainline-out-back-9-km

Weather

Sunrise 5:48 AMSunset 8:40 PM

Sunset

The best sunset spot on this hike is 2.7 mi in (~104 min). Leave by 6:35 PM for the 8:40 PM sunset. Back at your car by 9:59 PM, after dark — bring a headlamp.

More sunset hikes nearby

Other ways to reach this destination

Hikes near Startup, Washington