• View from the Canyon Rim Trail. Photo by Jeff Kochevar

    Colorado

    National Monument Colorado

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    Visitor Center is open everyday except December 25

Tunnels

Height and width specifications for tunnels.
A tunnel with height and width specifications.
 

There are three tunnels on Rim Rock Drive: two tunnels on the west side and one on the east side of the park. Please keep your vehicle lights and/or bicycle lights on while traveling through the tunnels.

#1 West Lower Tunnel

This tunnel is 236 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.

#2 West Upper Tunnel

This tunnel is 182 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.

#3 East Tunnel

This tunnel is 530 feet long. Clearance above lanes of traffic ranges from a low point of 11'5" at a point two feet inside the curbs to a maximum of 16'1" above the centerline of the road.

Did You Know?

John Otto on a trail with his horse and burro

John Otto's efforts almost a century ago continue to help visitors experience Colorado National Monument. Of the 40 miles of trails available to hikers in the monument, many of them were first built by original park custodian John Otto. More...