Hessong Rock & Mowich Lake via Spray Park Trail is a 6.7-mile out-and-back near Upper Fairfax, WA. The route passes Mowich Lake before reaching Hessong Rock at the turnaround, 3.4 miles in. It climbs 2,319 ft, with sections as steep as 49% grade, and is mostly dirt. It scores 97/100 on the Ambleway Wildness scale: genuinely wild.
Elevation
0 mi4,702 – 6,385 ft · steepest grade: 49%7.0 mi
Getting there
Trailhead: Wonderland Trailhead 46.93295, -121.86349
Nearest town Upper Fairfax, WA
Directions
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Hessong Rock & Mowich Lake via Spray Park Trail
6.7 mi · ▲ 2,319 ft · 3 hr 24 min
Elevation 4,701–6,385 ft
Out & Back
Trailhead: Wonderland Trailhead · 46.93295, -121.86349
Weather Aug 3: Mostly clear, high 59°F / low 40° · precip 1% · wind 7 mph · sunrise 5:50 AM · sunset 8:38 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start on Wonderland Trail, heading SE.
- 50 ftPass Mowich Lake.
- 50 ftTurn left, heading SE.
- 0.2 miBear left onto Spray Park Trail, heading S.
- 2.6 miSharp left, heading N.
- 0.6 miReach Hessong Rock, then turn around and head back the way you came.
- 3.2 miBear right onto Wonderland Trail, heading N.
- 0.2 miTurn left, heading N.
- 50 ftArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
81% dirt19% unspecified
Weather
Mostly clearTemperature 59°F40°
Precip1%Wind7 mphUV8Humidity79%
Rained 0.2″ 2 days ago
Hourly temperature
60°40°
Sunrise 5:50 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:38 PM
Tue
67°51°
Wed
73°55°
Thu
75°53°
Fri
68°47°
Sat
64°44°
Sun
66°44°
Sunset
The best sunset spot on this hike is 3.1 mi in (~117 min). Leave by 6:21 PM for the 8:38 PM sunset. Back at your car by 10:21 PM, after dark — bring a headlamp.
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
More from Wonderland Trailhead Trailhead
- Eagle Cliff Viewpoint & Mowich Lake via Spray Park Trail 2.8 mi · ▲ 565 ft
- Spray Falls–Spray Falls Viewpoint, 3 viewpoints 3.8 mi · ▲ 679 ft
- Eunice Lake–Mowich Lake, 4 lakes 4.7 mi · ▲ 976 ft
- Tolmie Peak–Eunice Lake, 5 lakes 6.3 mi · ▲ 1,616 ft
- First Mother Mountain–Mowich Lake, 4 summits 9 mi · ▲ 3,239 ft
- Flett Glacier–Echo Rock, 4 glaciers 10.6 mi · ▲ 3,477 ft
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Hikes near Upper Fairfax, Washington