Tunnel #8
4.6 mi · ▲ 1,160 ft · 2 hr 7 min
Tunnel #8 is a 4.6-mile out-and-back in Donner Memorial State Park near Donner, CA. It climbs 1,160 ft, with sections as steep as 22% grade. It scores 47/100 on the Ambleway Wildness scale: green fringe.
Elevation
0 mi6,719 – 7,267 ft · steepest grade: 22%4.9 mi
Getting there
Trailhead: Tunnel Rock Approach Trail 39.31553, -120.31890
Nearest town Donner, CA
Directions
AMBLEWAYwww.ambleway.com
Tunnel #8
4.6 mi · ▲ 1,160 ft · 2 hr 7 min
Elevation 6,719–7,267 ft
Out & Back · Donner Memorial State Park
Trailhead: Tunnel Rock Approach Trail · 39.31553, -120.31890
Weather Aug 3: Clear, high 81°F / low 51° · precip 0% · wind 9 mph · sunrise 6:04 AM · sunset 8:13 PM
- Start on Tunnel #8, heading E.
- 0.8 miTurn right, heading E.
- 0.3 miSharp left, heading SW.
- 150 ftBear right, heading SW.
- 350 ftTurn right, heading E.
- 0.7 miSharp right, heading SW.
- 0.5 miReach the turnaround, then head back the way you came.
- 0.5 miSharp left, heading N.
- 0.7 miTurn left, heading NE.
- 300 ftBear left, heading N.
- 200 ftSharp right, heading N.
- 0.2 miTurn left, heading NW.
- 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
54% gravel46% dirt
Weather
ClearTemperature 81°F51°
Precip0%Wind9 mphUV8Humidity22%
Hourly temperature
85°50°
Sunrise 6:04 AM12 AM3 AM9 AM12 PM3 PM6 PMSunset 8:13 PM
Tue
82°60°
Wed
82°55°
Thu
85°55°
Fri
86°56°
Sat
86°56°
Sun
87°54°
Other ways to reach this destination
More from Tunnel Rock Approach Trail Trailhead
- Donner Summit Lakes Trail via Pacific Crest Trail 1.9 mi · ▲ 321 ft
- Tunnel Rock–Snowshed, 3 cliffs 3.8 mi · ▲ 1,469 ft
- Billy Mac Canyon Viewpoint–Beaver Pond, 3 sights 4 mi · ▲ 920 ft
- Tunnel #8 4.6 mi · ▲ 1,211 ft
- Crest Divide Road & Emigrant Trail 7.6 mi · ▲ 1,725 ft
- Tunnel Rock–Snowshed, 5 cliffs 7.7 mi · ▲ 2,074 ft
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