Mount Hyak–Mirror Lake, 8 lakes is a 14.5-mile out-and-back near Snoqualmie Pass, WA. The route passes Mirror Lake, Tinkham Tarns, Windy Pass and 2 more before reaching Mount Hyak at the turnaround, 7.2 miles in. It climbs 3,861 ft, with sections as steep as 24% grade, and is mostly dirt. It scores 55/100 on the Ambleway Wildness scale: backcountry feel.
Elevation
0 mi3,232 – 4,564 ft · steepest grade: 24%15.2 mi
Getting there
Trailhead: Forest Road 5480 47.34600, -121.42442
Nearest town Snoqualmie Pass, WA
Directions
AMBLEWAYwww.ambleway.com
Mount Hyak–Mirror Lake, 8 lakes
14.5 mi · ▲ 3,861 ft · 6 hr 46 min
Elevation 3,233–4,565 ft
Out & Back
Trailhead: Forest Road 5480 · 47.34600, -121.42442
Weather Sep 5: Overcast, high 58°F / low 43° · precip 42% · wind 4 mph · sunrise 6:31 AM · sunset 7:40 PM
Parking lot at the trailhead
- Start on Mirror Lake Trail, heading NW.
- 0.8 miSharp right onto Pacific Crest Trail, heading NE.
- 50 ftPass Mirror Lake.
- 0.9 miPass Tinkham Tarns.
- 2.2 miPass Windy Pass.
- 0.5 miTurn left, heading N.
- 0.9 miContinue straight onto 9070-110, heading NE.
- 0.5 miPass Rockdale Lake.
- 250 ftBear left, heading NE.
- 0.3 miContinue straight onto Forest Road 9070-110, heading NE.
- 0.1 miPass Hyak Lake.
- 0.7 miTurn right, heading E.
- 250 ftBear left, heading E.
- 0.3 miReach Mount Hyak, then turn around and head back the way you came.
- 0.3 miBear right, heading NW.
- 0.9 miContinue straight onto 9070-110, heading NW.
- 0.3 miBear left, heading W.
- 0.5 miContinue straight onto Pacific Crest Trail, heading NW.
- 0.9 miTurn left, heading S.
- 3.5 miSharp left onto Mirror Lake Trail, heading SE.
- 0.7 miArrive back at the trailhead.
Each distance is the walk from the previous step. Tap a step for a map of its junction.
Trail surface
83% dirt1% gravel16% unspecified
Weather
OvercastTemperature 58°F43°
Feels like42°Precip42%Wind4 mphUV5Humidity60%
Rained 0.1″ yesterday
Hourly temperatureRain chance
60°40°
Sunrise 6:31 AM12 AM3 AM9 AM12 PM3 PMSunset 7:40 PM
Sun
60°47°
29%
Mon
57°41°
19%
Tue
67°43°
Wed
71°47°
Thu
57°45°
Fri
58°41°
27%
Sunset
The best sunset spot on this hike is 4.7 mi in (~147 min). Leave by 4:53 PM for the 7:40 PM sunset. Back at your car by 10:28 PM, after dark — bring a headlamp.
Good to know
- Parking lot at the trailhead
Other ways to reach this destination
More from Forest Road 5480 Trailhead
- Abiel Peak–Mirror Lake, 7 sights 6.2 mi · ▲ 3,075 ft
- Mirror Lake–Twilight Lake, 5 sights 12.8 mi · ▲ 2,877 ft
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