St. George to Show Low: Utah to Arizona Road Trip Guide

St. George, Utah sits at 2,860 feet, while Show Low, Arizona perches at 6,345 feet. This 1,800-foot elevation gain over 340 miles makes for a steady climb through some of the most dramatic landscapes on the Colorado Plateau.

The route follows US-89 south, then east on I-40 before heading north on US-191. The drive typically takes 6 to 7 hours, but a full day is recommended to absorb the scenery.

The road quality is generally good, but sections near the Utah-Arizona border have steep grades and sharp curves. Use lower gears for engine braking on descents.

• Safety: Cell service is spotty between Kanab and Page. Download offline maps before departure. Carry extra water and blankets.
• Family suitability: The drive is family-friendly with plenty of bathroom breaks. Glen Canyon Dam overlook in Page has restrooms and picnic tables. Best stops St. George, UT to Show Low, AZ include the National Park Service's interpretive trails at the Glen Canyon Dam.
• Fatigue management: Plan a stop every 2 hours. The rest area at the Utah-Arizona border (mile 0 at state line) is a good halfway point. How long to drive St. George, UT to Show Low, AZ? With stops, budget 8-9 hours.

Pet-friendly framework: Many national forest campgrounds along AZ-260 allow dogs. The Kachina Peaks Wilderness requires pets on leashes. Is it worth driving St. George, UT to Show Low, AZ? Absolutely for the scenic diversity and lack of crowds compared to more famous routes.

This route is a showcase of geological wonders: Vermilion Cliffs, Glen Canyon, and the San Francisco Peaks. The Vermilion Cliffs National Monument, just south of US-89, is a must-see with its towering red sandstone formations.

• Natural Landscapes: Horseshoe Bend near Page offers a sheer 1,000-foot drop to the Colorado River. The Navajo Nation runs the scenic overlook with a small entry fee.
• UNESCO Sites: The route doesn't directly pass any UNESCO sites, but Grand Canyon National Park (UNESCO-listed) is a short detour from Flagstaff via US-180.
• Cultural stops: Cameron Trading Post on US-89 offers Navajo crafts and fry bread. In Show Low, the Mogelberg Cabin Museum preserves pioneer history.

Local commerce is dominated by Native American art, small diners, and gas stations. The best shopping is at the Navajo Nation's roadside stands for authentic silver jewelry and pottery.

US-89 from St. George to Page is a well-maintained two-lane highway through red rock country. Expect moderate traffic, especially near Zion National Park turnoffs.

• The fuel gap: Between Kanab, UT (mile 80) and Page, AZ (mile 120), there are no services. Fill up before leaving Kanab.
• Avoid night driving: Wildlife, especially deer and elk, frequent the roads near dusk. Headlights attract bugs that can splatter and reduce visibility.
• Weather alerts: Winter can bring snow and ice, particularly from Flagstaff onward. Summer monsoons cause flash flooding on low-water crossings.

The economic cost of this trip involves fuel (about $50 for a sedan), but many overlooked stops are free. For a deeper dive into planning, see: how to find the best stops and hidden gems between cities.