When your state has mountains and roads, the need for tunnels is a definite. If you've taken the drive from Casper to Yellowstone's east entrance outside of Cody, you get a chance to drive through quite a few of Wyoming's tunnels.

The first is a set of 3 tunnels as you're entering the Wind River Canyon near the Boysen State Park Reservoir.

Wind River Canyon 2
Drew Kirby, Townsquare Media
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Then after travelling through Thermopolis, Worland, Greybull and Cody you come to the Buffalo Bill Dam which is located just 6 miles west of Cody on US 14/16/20 where you go through another series of tunnels, including one of the longest in Wyoming.

Highway 14 Tunnel 3
RVerTV via YouTube
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When the dam was built as part of Buffalo Bill's vision of the Shoshone Project, it was known as the Shoshone Dam. The dam was re-named in 1946 after Buffalo Bill, because of his importance in the vison of the project and the fact that he owned much of the land that is now a reservoir as a result of the dam.

As you approach the dam area, you travel through two smaller tunnels, before entering the long, dark and Cody Mountain Tunnel that is a 3200 foot tunnel. The tunnel is long enough that it requires lighting at all times of the day.

Highway 14 Tunnel 2
piktrains via YouTube
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Highway 14 Tunnel 4
piktrains via YouTube
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Highway 14 Tunnel 5
piktrains via YouTube
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Driving through the tunnel is a cool highlight of the drive from Cody to Yellowstone, but it's just one of the many great features. High mountains, the Shoshone River, many ranches & lodges, ski resorts and fishing & hunting areas all in between Cody and the east entrance of the park. It's quite the drive, that you should definitely check out.

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