File:U.S. 89 Near Paria, Utah (68933256).jpg

In the U.S. state of Utah, U.S. Route 89 (US-89) is a long north–south state highway spanning more than 502 miles (807.891 km) through the central part of the state. Between Provo and Brigham City, US-89 serves as a local road, paralleling (and occasionally concurring with) Interstate 15, but the portions from Arizona north to Provo and Brigham City northeast to Wyoming serve separate corridors. The former provides access to several national parks and Arizona, and the latter connects I-15 with Logan, the state's only Metropolitan Statistical Area not on the Interstate.

US-89 enters Utah from the south inside the Glen Canyon National Recreation Area, about 7 miles (11 km) north of the Glen Canyon Dam, where it crosses the Colorado River near Page, Arizona. After leaving the recreation area and passing the small town of Big Water, the highway curves west through the Grand Staircase-Escalante National Monument. US-89 stays near the monument's southern boundary, crossing the East Clark Bench and The Cockscomb and passing south of the Vermilion Cliffs of the Grand Staircase. At the city of Kanab, US-89 meets the north end of US-89A, an alternate route south into Arizona, and abruptly turns north and begins climbing the staircase. Here the Mount Carmel Scenic Byway begins; one of the Utah Scenic Byways, it stretches north to SR-12 at Bryce Canyon Junction. The Vermilion Cliffs are ascended via the canyon carved by Kanab Creek. Near the White Cliffs, US-89 meets SR-9 at Mt. Carmel Junction, where travelers can turn to reach Zion National Park. The final "step" is the Pink Cliffs, where the highway follows alongside the Virgin River to the highest point on US-89 in southern Utah and the east end of SR-14, a summit at Long Valley Junction (elevation 7450 feet/2300 m).

North from Long Valley Junction, US-89 descends through the valley of the Sevier River, meeting SR-12, a scenic highway that leads to Bryce Canyon National Park, at Bryce Canyon Junction, SR-143 in Panguitch, and SR-20 at Bear Valley Junction. As the highway continues north, the valley narrows significantly into the Circleville Canyon before opening out near the town of Circleville. In this part of the valley, the Sevier River is dammed to create the Piute Reservoir, and US-89 meets SR-62 near Kingston. North of Marysvale, the valley again narrows into the Sevier Canyon, which carries the river to its confluence with Clear Creek and US-89 to its overlap with Interstate 70, beginning at Sevier.

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