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© 2026 Roaming.Camp · Data from NPS, Recreation.gov, BLM, USFS, NWS, and the FCC.Operating on ceded ancestral land.Photography via Unsplash.

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Hike

Tunnel Cr. R/r Grade

1,437 ft of climbing
Camp 2 mi away

9.0 mi out & back · 1,437 ft gain · 4,197 ft high point · Hard

California · U.S. Forest Service

About Elevation Map Camp near here More hikes

About this hike

Tunnel Cr. R/R Grade is a 9.0 mile out and back trail with 1,437 feet of climb and a high point of 4,197 feet.

Elevation

1,437 ft of gain round trip.

Camp near here

The closest places to sleep, measured from the trailhead.

See all on the map

1.9 mi from the trailhead
Sand Bar Flat Campground
Campground

More hikes nearby

Ranked the same way, within twenty-five miles.

19 mi from you
Boundary Lake Trail
- Passes Lookout Point
- Inside Stanislaus National Forest
- 3,437 ft of climbing
19.7 mi out & back · 3,437 ft gain · Very hard
Stanislaus National Forest · Camp 3 mi away

Out: 610 ft up, returns the same way. Source: USGS 3DEP.

Map

The route at the trailhead. Drag with two fingers, or hold a key to zoom.

Trail data: USFS, NPS, © OpenStreetMap contributors (ODbL). Elevation: USGS 3DEP via Mapzen terrain tiles. Nearby reading: Wikipedia. Download the trail and feature data.

At a glance

Length: 9.0 mi
Shape: Out & back
Gain: 1,437 ft round trip
High point: 4,197 ft
Low point: 3,764 ft
Difficulty: HardFrom 9.0 mi and 1,437 ft of climbing
Managed by: U.S. Forest Service
State: California
Camps within 15 mi: 17
Trailhead: 38.1757° N · 120.1232° W

Get directions Open the map

2.9 mi from the trailhead

Fraser Flat Campground

Campground

3.6 mi from the trailhead

Beardsley Dam Campground

Campground

25 mi from you

Lake Valley

Summits Reba
Inside Mokelumne Wilderness
3,715 ft of climbing

11.9 mi out & back · 3,715 ft gain · Very hard

Mokelumne Wilderness · Camp 5 mi away

Huckleberry Trail

Ends at a waterfall
Inside Stanislaus National Forest
7,379 ft of climbing

38.0 mi one way · 7,379 ft gain · Very hard

Stanislaus National Forest · Camp under a mile away

Kibbie Ridge Trail

Ends at Styx Pass
Inside Yosemite National Park
2,895 ft of climbing

17.6 mi out & back · 2,895 ft gain · Very hard

Yosemite National Park · Camp 3 mi away

Huckleberry Trail

Ends at Cherry Lake
Inside Stanislaus National Forest
5,430 ft of climbing

22.8 mi one way · 5,430 ft gain · Very hard

Stanislaus National Forest · Camp under a mile away

Osborn Crest

Summits Osborne Hill
Inside Stanislaus National Forest
1,189 ft of climbing

6.7 mi loop · 1,187 ft gain · Moderate

Stanislaus National Forest · Camp under a mile away

More like this

Hikes that read like this one, wherever they are.

Tunnel
- Passes Bubb's Peak
- 6,018 ft of climbing
15.7 mi out & back · 6,018 ft gain · Very hard
California · Camp 7 mi away
Tunnel
- Inside San Bernardino National Forest
- 2,280 ft of climbing
6.0 mi out & back · 2,280 ft gain · Hard
San Bernardino National Forest · Camp 9 mi away
Railroad Grade Trail
- Camp 2 mi away
3.0 mi out & back · 82 ft gain · Easy
California · Camp 2 mi away
Tunnel
- Inside Shasta National Forest
- 1,842 ft of climbing
- Camp 1 mi away
7.5 mi out & back · 1,842 ft gain · Very hard
Shasta National Forest · Camp 1 mi away

Signal

Cell coverage here

No carrier reports signal at this spot.

FCC coverage data · signal varies in remote terrain

Weather

7-day forecast

Wed57°40°Areas Of Frost
Thu61°42°Sunny
Fri66°47°Sunny
Sat69°46°Sunny
Sun68°48°Sunny
Mon65°47°Mostly Sunny
Tue64°Mostly Sunny

Wed: Areas Of Frost then Sunny · wind 0 to 5 mph NNW

National Weather Service · refreshed hourly