ZION–MT. CARMEL HIGHWAY

The Zion–Mt. Carmel Highway (Utah State Route 9) is the primary east-west corridor through Zion National Park, connecting the canyon gateway town of Springdale with the high plateau at Mt. Carmel Junction over 26 miles of some of the most cinematically dramatic road in the United States. Completed in 1930, the road required blasting a 1.1-mile tunnel through solid Navajo Sandstone — at the time, the longest tunnel in the country.

The highway passes through four distinct landscape zones: the canyon floor along the Virgin River, the tunnel portal switchbacks carved into the canyon wall, the slickrock plateau above, and the Checkerboard Mesa terrain on the eastern approach. Each zone looks completely different from the last and feels like it belongs on a different planet.

For the driving and riding enthusiast, the best experience is the east-to-west approach — entering from Mt. Carmel Junction on US-89, climbing through the pine-covered Kolob plateau, then dropping suddenly into Zion Canyon via the Pine Creek switchbacks. The transition from open plateau to the sheer sandstone walls of the canyon is one of the most dramatic reveals of any American road. The canyon walls rise 2,000 feet on either side, stained red and orange by iron oxide deposits laid down over 200 million years.

The road is a year-round destination but summer crowds require very early starts or reservation-based entry. Spring and fall offer the best balance of conditions, light, and manageable traffic. The canyon bottom is also a serious cycling destination — the Zion Canyon Scenic Drive is car-free (park shuttle only) in season, making UT-9 the primary driving road in the park.