South Fork Skykomish River via Lake Serene Trail is a 12.4-mile out-and-back in Forterra near Index, WA. The route reaches South Fork Skykomish River at the turnaround, 6.2 miles in. It climbs 2,479 ft, with sections as steep as 19% grade. It scores 28/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi532 – 1,161 ft · steepest grade: 19%12.7 mi
Getting there
Trailhead: Unnamed 47.80921, -121.57237
Nearest town Index, WA
Directions
AMBLEWAYwww.ambleway.com
South Fork Skykomish River via Lake Serene Trail
12.4 mi · ▲ 2,479 ft · 5 hr 22 min
Elevation 531–1,161 ft
Out & Back · Forterra
Trailhead: 47.80921, -121.57237
Weather Aug 4: Clear, high 71°F / low 50° · precip 0% · wind 2 mph · sunrise 5:48 AM · sunset 8:39 PM
Toilets at the trailhead · Parking lot at the trailhead
- Start at the trailhead, heading W.
- 450 ftContinue straight onto Lake Serene Trailhead Road, heading S.
- 50 ftBear left onto Lake Serene Trail, heading S.
- 1.3 miTurn left, heading E.
- 0.2 miSharp right, heading NE.
- 1 miSharp right, heading E.
- 3.6 miReach South Fork Skykomish River, then turn around and head back the way you came.
- 3.6 miSharp left, heading NW.
- 1 miSharp left, heading N.
- 1.5 miBear right onto Lake Serene Trailhead Road, 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
22% dirt78% unspecified
Weather
ClearTemperature 71°F50°
Precip0%Wind2 mphUV7Humidity66%
Hourly temperature
75°50°
Sunrise 5:48 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:39 PM
Tue
79°62°
Wed
87°66°
Thu
90°63°
Fri
84°59°
Sat
81°57°
Sun
79°55°
Good to know
- Toilets at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Lake Serene Trail 2.7 mi · ▲ 549 ft
- Lake Serene Trail 2.7 mi · ▲ 549 ft
- Lake Serene Trail 3.1 mi · ▲ 612 ft
- Lake Serene Trail 3.1 mi · ▲ 612 ft
- Bridal Veil Falls-Mine Cascade–Bridal Veil Falls Viewpoint, 3 sights 3.8 mi · ▲ 996 ft
- Lake Serene Trail 4.8 mi · ▲ 1,001 ft
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Hikes near Index, Washington