Kanab to Hermosa Beach: Epic Desert-to-Coast Road Trip Guide

Driving from Kanab, UT (37.0475° N, 112.5263° W) to Hermosa Beach, CA (33.8622° N, 118.3995° W) is a 535-mile odyssey that crosses three states, climbs over the Mojave Desert, and drops you at the Pacific shore. The direct route follows US-89, I-15, I-215, and I-10, taking about 8.5 hours without stops. This stretch includes a quirk: near the Utah-Arizona border, you'll pass through the 1.1-mile-long Johnson Canyon Tunnel, blasted through sandstone in 1972. This guide breaks down every aspect of the journey, answering how long to drive, whether it's worth driving, and listing the best stops and things to do between Kanab and Hermosa Beach.

For a broader approach to discovering hidden gems along any route, see how to find the best stops and hidden gems between cities.

Below is a quick reference table summarizing the route's key logistics, including distance, driving time without breaks, and major highways.

Safety considerations include extreme heat (summer temps over 110°F in Mojave), sudden desert flash floods (rare but possible), and wildlife (deer, tortoises). Carry extra water, sun protection, and a paper map in case of GPS failure. I-15 has rumble strips on shoulders, and rest areas are spaced about every 50 miles in Utah, less frequently in California. Suggested rest stops: Utah Rest Area milepost 27 (clean facilities), Nevada Welcome Center (free coffee), and Victorville Rest Area (shaded).

• Family suitability: Kid-friendly attractions include the Kanab Heritage House, St. George Dinosaur Discovery Site, Baker's Alien Fresh Jerky (kids love quirky), and Hermosa Beach playgrounds. The route is 8+ hours; break it with an overnight at Barstow or San Diego.
• Pet-friendly: Most rest stops allow dogs on leash. Hotels like La Quinta Inn (Kanab) and Motel 6 (Barstow) accept pets. Off-leash areas at Hermosa Beach's South Park.

Fatigue management is crucial on this monotone desert drive. Schedule stops every 2 hours: first at St. George (mile 85), second at Mesquite, NV (mile 120 or Baker, CA (mile 380). Use the '20-20-20 rule': every 20 minutes, look 20 feet ahead for 20 seconds to reduce eye strain. Avoid driving between midnight and 6 am due to wildlife activity. The best stops integrate movement: walking trails at Valley of Fire or simply walking the pier at Hermosa Beach upon arrival.

The drive showcases three distinct biomes: the red-rock Colorado Plateau, the Mojave Desert, and the coastal sage scrub of LA's South Bay. Near Kanab, the landscape is defined by vermilion cliffs and sagebrush. After St. George, the Virgin River Gorge cuts through striped cliffs—a mini Grand Canyon. At the Nevada border, Joshua trees begin to dot the landscape. The Mojave stretch near Baker offers the stark beauty of salt flats and the world's tallest thermometer (13-ft tall). Approaching Los Angeles, the San Gabriel Mountains appear, then the transition to urban grid.

• Natural landmarks: Coral Pink Sand Dunes (Kanab area, 15 min detour); Valley of Fire SP (near Overton, NV, 1 hr detour); Mojave National Preserve (accessible from I-15, exit 239).
• Commerce hotspots: St. George's historic downtown; Barstow's Route 66 memorabilia; Hermosa Beach's Pier Plaza with shops and cafes.

Local commerce along the route includes indigenous handicrafts in Kanab (e.g., Denny's Wigwam store with Navajo rugs), orchard stands near St. George (pomegranates and pecans in fall), and art galleries in Old Town San Diego (minor detour on I-5). Hermosa Beach's Main Street hosts a weekly farmers market (Fridays) and independent surf shops like Spyder Surfboards. The route, while not typically commercial, offers unique souvenirs like meteorite specimens in Barstow or Utah honey.

Fuel efficiency varies by vehicle; expect to refuel about three times: in Kanab (last cheap gas before Arizona), St. George (UT), and Barstow (CA). Gas prices climb near the coast; fill up in desert towns. The route is wholly paved, mostly interstate, with good cell coverage except in remote swaths of the Mojave. Toll roads are absent, but express lanes on I-10 near LA may accept FasTrak transponders.

• I-15 between St. George and Barstow: 120 miles of desert, few services. Plan bathroom and snack breaks at rest areas like Port of Entry (Utah) or Nevada Welcome Center.
• Enter California on I-15 near Primm, with a stark transition from arid basin to irrigated farmland around Baker.
• Last 30 miles through LA basin: potential stop-and-go traffic. Use Waze to bypass if possible.

The route's infrastructure is robust but has quirks. In Utah, US-89 is a two-lane highway for the first 24 miles north of Kanab; watch for livestock. I-15 through the Virgin River Gorge (Arizona) has 6-mile steep grades and tunnels. Once on I-10 near San Bernardino, left lane can be used by carpools only during peak hours. Hermosa Beach offers limited street parking; book a lot in advance.