Prescott to Salt Lake City: Ultimate Road Trip Guide

The route from Prescott, Arizona to Salt Lake City, Utah traverses 680 miles of the American West along Interstate 17, Interstate 40, US-89, and Interstate 15. Notably, the highway crosses the 1913 Navajo Bridge over the Colorado River at Marble Canyon, allowing travelers to walk the historic original bridge as a unique roadside stop.

How long to drive Prescott, AZ to Salt Lake City, UT? The drive typically takes 10-11 hours without stops. Is it worth driving Prescott, AZ to Salt Lake City, UT? Absolutely—the journey offers unparalleled access to the Grand Canyon, Monument Valley, and the Wasatch Range. For planning, see how to find the best stops and hidden gems between cities.

The route splits into two main segments: Prescott to the Utah border (via Flagstaff and Page) and Utah border to Salt Lake City. Major highways: I-17 north to Flagstaff, I-40 east to US-89 north, then I-15 north from Brigham City. Key coordinates: start at 34.5400° N, 112.4685° W, end at 40.7608° N, 111.8910° W.

• Fuel economy: Expect 20-25 mpg. Gas stations are sparse between Page and Kanab (70-mile gap).
• Tolls: No toll roads. Arizona and Utah fuel taxes average $0.65/gallon.
• Rest stops: Well-maintained rest areas near Flagstaff (mile 337), Page (mile 540), and Beaver (mile 120 on I-15 northbound).
• Road quality: I-17 and I-40 are excellent; US-89 is good but winding near Utah border; I-15 is smooth but congested near Salt Lake City.

For electric vehicle owners, charging stations are available in Prescott, Flagstaff, Page, Kanab, Beaver, and Salt Lake City. Plan for 2-3 charging stops adding 1.5 hours total.

Infrastructure safety is high: all highways are paved and well-signed. Watch for wildlife (deer, elk) at dawn/dusk, especially near Flagstaff and on US-89. Speed limits: 75 mph on interstates, 65 mph on US-89. Arizona enforces strict DUI laws; Utah has open container laws.

• Fatigue management: Plan stops every 2 hours. Use rest areas near Flagstaff (mile 337) and Beaver (mile 120).
• Family suitability: Grand Canyon's South Rim has paved trails and ranger programs. Horseshoe Bend requires a short hike (no shade). Bryce Canyon offers easy rim walks.
• Pet-friendly framework: Most national parks allow leashed pets on paved trails only. Kanab's Best Friends Animal Sanctuary offers tours and pet adoptions.
• Child-friendly stops: Pipe Spring National Monument (living history), and Dinosaur Museum in Blanding, UT.

Hidden off-route spots: The Toadstool Hoodoos near Kanab (GPS 37.0169 N, 112.3525 W) are free and less crowded. Also, Lower Calf Creek Falls near Escalante requires a 3-mile hike but rewards with a swimming hole. Google Maps offline is essential; cell coverage drops near Page and between Kanab and Beaver.

Natural landscapes shift from Arizona's high desert (Prescott at 5,300 ft) through the Colorado Plateau's red rock canyons to Utah's mountain valleys. Best stops Prescott, AZ to Salt Lake City, UT include the Grand Canyon's South Rim (2.5 hours detour), Horseshoe Bend near Page, and Coral Pink Sand Dunes State Park in Utah.

• Grand Canyon National Park: UNESCO World Heritage Site. Entry $35 per vehicle. Ideal for sunrise views at Mather Point.
• Monument Valley Navajo Tribal Park: Iconic sandstone buttes on US-163. Closed to non-Navajo guides for backcountry.
• Bryce Canyon National Park: Famed for hoodoos. Add 1 hour detour from US-89. Elevation 8,000+ ft.
• Local commerce: Stop at Cameron Trading Post (US-89) for Navajo tacos and crafts, or Fillings & Embers in Kanab for wood-fired pizza.

Climatic conditions vary drastically: Prescott averages 75°F summer days; Page reaches 100°F; Salt Lake City has mild summers but winter snow. Route aesthetics peak in autumn (September-October) as cottonwoods turn gold. Spring (April-May) brings wildflowers but possible snow at high elevations.