Tunnel Rock–Petroglyph Cliff, 3 cliffs is a 1.2-mile out-and-back near Donner, CA. The route passes Donner Pass and Petroglyph Cliff before reaching Tunnel Rock at the turnaround, 0.6 miles in. It climbs 264 ft, with sections as steep as 27% grade, and is mostly gravel. It scores 0/100 on the Ambleway Wildness scale: paved and peopled.
Elevation
0 mi6,956 – 7,116 ft · steepest grade: 27%1.3 mi
Getting there
Trailhead: Unnamed 39.31681, -120.33058
Nearest town Donner, CA
Directions
AMBLEWAYwww.ambleway.com
Tunnel Rock–Petroglyph Cliff, 3 cliffs
1.2 mi · ▲ 264 ft · 32 min
Elevation 6,954–7,116 ft
Out & Back
Trailhead: 39.31681, -120.33058
Weather Sep 20: sunrise 6:48 AM · sunset 7:03 PM
Drinking water at the trailhead · Parking lot at the trailhead
- Start on Tunnel #6, heading E.
- 0.5 miTurn right, heading E.
- 50 ftTurn left, heading E.
- 50 ftPass Donner Pass.
- 50 ftPass Petroglyph Cliff.
- 50 ftBear right, heading E.
- 350 ftBear left, heading NE.
- 50 ftBear right onto Tunnel Rock Approach Trail, heading NE.
- 50 ftReach Tunnel Rock, then turn around and head back the way you came.
- 100 ftBear left, heading SE.
- 50 ftBear right, heading NE.
- 350 ftBear left, heading SW.
- 50 ftTurn right, heading SW.
- 50 ftTurn left, heading SW.
- 0.1 miContinue straight onto Tunnel #6, heading W.
- 0.4 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
88% gravel9% dirt3% unspecified
Weather
Sunrise 6:48 AMSunset 7:03 PM
Good to know
- Drinking water at the trailhead
- Parking lot at the trailhead
Other ways to reach this destination
More from this trailhead
- Lake Mary–Emigrant Trail, 5 sights 12.7 mi · ▲ 2,465 ft
- Petroglyph Cliff–Donner Pass, 4 sights 10.7 mi · ▲ 2,386 ft
- Bill Patterson 6.8 mi · ▲ 258 ft
- Bill Patterson 6.1 mi · ▲ 315 ft
- Tinker Knob–Pacific Crest Viewpoint, 6 sights 15.9 mi · ▲ 2,868 ft
- Andesite Peak–Lake Angela, 8 lakes 11.1 mi · ▲ 1,402 ft
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