Kanab to Island Park: Ultimate Road Trip Guide

The route from Kanab, UT to Island Park, ID follows US-89 north then merges onto I-15, crossing the Utah-Arizona border at the Virgin River Gorge before climbing into the high country of Utah and Idaho. This 600-mile drive typically takes 9–11 hours without stops, but the landscapes demand exploration. One remarkable fact: part of this route traces the ancient shoreline of Lake Bonneville, the massive Pleistocene lake that left behind the Bonneville Salt Flats.

Key highways: US-89A from Kanab to Fredonia, then north on US-89 through Page to Kanab (loop), or direct US-89 to I-15 via Mount Carmel Junction. The latter passes through Zion National Park’s east entrance, adding a world-class detour. Crossing into Idaho near Malad City, the terrain shifts from red rock canyons to pine-covered mountains.

For more on curating stops, check out how to find the best stops and hidden gems between cities.

Road quality: I-15 through Utah is excellent; US-89 has narrow shoulders and wildlife (deer, elk). Best stops between Kanab and Island Park include the Red Canyon Visitor Center (mile 10 on US-89, scenic drive through red rock tunnels) and Cove Fort (historic fort in Fillmore, free rest stop).

Family suitability: Kid-friendly stops: BYU’s Bean Museum in Provo, Thanksgiving Point (Lehi) with dinosaur museum, and Lava Hot Springs (Idaho) for swimming. Pack snacks; restaurant quality varies.

Pet-friendly framework: Most rest areas allow leashed pets. National parks allow pets on paved roads and in developed areas but not on trails. Hotels like La Quinta (Kanab, Provo, Idaho Falls) are pet-friendly with no extra fees.

Fatigue management: Every 2 hours, stop at a rest area or vista point. The Sevier River rest area (mile 120 on I-15) has picnic tables. Hidden off-route spot: Kolob Canyons (Zion’s less-visited section, exit 40 on I-15) has a short paved trail to a canyon view, perfect for stretching legs.

Climatic conditions: Summer: Kanab 95°F, Idaho 80°F; monsoon thunderstorms in July-August. Winter: Kanab 40°F, Island Park 20°F with snow. Spring has wind; fall has golden aspens. Pack layers and sun protection.

Fuel stops: Plan around Kanab (UT), Panguitch, Beaver, Fillmore, Nephi, Spanish Fork (UT), then Pocatello, Idaho Falls, and Rexburg (ID). Between Beaver and Fillmore (50 mi) and Nephi to Spanish Fork (40 mi) have sparse services. Gas prices are higher in Kanab and Island Park; fill up in larger towns like Provo or Idaho Falls.

Route economics: Tolls are absent; I-15 is free. Parking in national parks requires entrance fees ($35 per vehicle at Zion, $35 at Yellowstone near West Yellowstone). The total driving cost (fuel) for an average sedan: roughly $80-100 round trip.

Infrastructure: Roads are well-maintained, but US-89 north of Kanab is two-lane with occasional passing lanes. I-15 is smooth and wide. Winter requires snow tires; summer brings construction.

The drive transitions through three distinct ecoregions: the Colorado Plateau (red rock canyons, Juniper woodlands), the Great Basin (sagebrush flats, mountain ranges), and the Rocky Mountains (lodgepole pine, glacial lakes).

UNESCO World Heritage Sites: This route passes near Zion National Park (universal value for slot canyons and biodiversity). Also within reach: Grand Canyon (via Flagstaff detour) and Monument Valley (tribal park). These sites preserve natural and cultural landmarks.

Local commerce: In Kanab, shops sell Navajo rugs and turquoise jewelry. In Panguitch, historic brick buildings house quilt shops. In Idaho Falls, the farmers market (summer) offers fresh produce. Island Park’s mercantiles sell fly-fishing gear and huckleberry products.