Three Rivers, California: Tunnel Rock

Tunnel Rock, giant granite boulder, is above a tunnel made by the Civilian Conservation Corps in 1938 for the park roadway. Bypassed in 1997; visitors can walk through.

Sequoia National Park

Generals Hwy,, Three Rivers, CA
Sequoia National Park, on CA-198, about 2.3 mi. north of the Ash Mountain Entrance.
Park entry fee.
Save to My Sights

Visitor Tips and News About Tunnel Rock

Reports and tips from visitors and Roadside America mobile tipsters. Some tips may not be verified. Submit your own tip.

Tunnel Rock.

Tunnel Rock

Possible, but not recommended, to climb on top of Tunnel Rock. A bit of the old road with yellow striping can still be seen.

[John Francis, 08/03/2020]

Nearby Offbeat Places

The Auto Log: Walk on Top of a Fallen SequoiaThe Auto Log: Walk on Top of a Fallen Sequoia, Sequoia National Park, CA - 4 mi.
Home in a LogHome in a Log, Sequoia National Park, CA - 5 mi.
Tunnel Log: Drive Thru a Fallen SequoiaTunnel Log: Drive Thru a Fallen Sequoia, Sequoia National Park, CA - 5 mi.
In the region:
M60 Tank Memorial, Hanford, CA - 47 mi.

Latest Tips Across Roadside America

Catch up on the latest discoveries from the road.

Explore Thousands of Oddball Tourist Attractions!

Unique destinations in the U.S. and Canada are our special obsession. Use our attraction recommendation and maps to plan your next road trip.

My Sights

My Sights

Map and Plan Your Own Roadside Adventure

Try My Sights

Roadside America app
Roadside Presidents app

California Latest Tips and Stories

Latest Visitor Tips

Sight of the Week

Sight of the Week

The Pickled Pioneer, Menlo, Washington (Feb 22-28, 2021)

SotW Archive

USA and Canada Tips and Stories

More Sightings Hotel & Motel Finder

Special rates for hotels.

Book Now