“Crews have nearly finished removing loose or unstable soil, rocks and vegetation along the canyon slopes and tunnels, and steel bars have been grouted into place to help stabilize rocks ...
The now famous Zion-Mount Carmel Tunnel was part of this highway project. Bored straight through the sandstone cliffs above Pine Creek Canyon, this 1.1-mile-long tunnel was first started in the ...
The first tunnel can be reached in 20 minutes and is a good destination for those who want to see the views of the inner canyon without too much effort. It's advised that you turn around at the 1 ...