Bonneville Salt Flats

Bonneville is not really a tourist attraction — it's a pilgrimage site for a very specific tribe. The land speed racing community has been coming here since 1914, and the culture is one of obsessive DIY engineering, friendly rivalry, and deep respect for the salt itself. Racers spend years and sometimes their life savings building a car or motorcycle for one week of competition.

When you walk through the pits during Speed Week, you're walking among people who drove cross-country — or flew from Europe, Australia, and Japan — to be here. That context changes how you interact with the place. The 'Save the Salt' movement is also central to the community's identity: the salt crust has measurably shrunk over decades due to potash mining and water-table changes, and every racer is acutely aware that the surface they love is slowly disappearing.

A cooperative replenishment project between the BLM and Intrepid Wendover Potash pumps brine onto the southern section each spring to rebuild the crust — it's working, but slowly. Beyond racing, the flats have functioned as a film location, an archery championship venue, a marathon course, and an astrophotography destination. The landscape has a Martian quality that NASA has reportedly used for equipment testing scenarios.

The area was named after Captain Benjamin Bonneville, an army officer — though historical records suggest he never actually saw the flats that bear his name.

Cash only at the Speed Week gate — $25 for a day pass or $60 for the week. ATMs are in the West Wendover casinos, so grab cash before you drive out to the flats.. Spectators are genuinely welcome in the pit area during Speed Week.

Walk up, ask questions, look at the vehicles. Racers and crews tend to love talking about their builds. This is not a passive spectator sport..

Apply sunscreen under your nose and chin, not just on top of your face. The salt crust reflects sunlight upward, so you can burn from below just as badly as from above. SPF 50+ is not overkill here..

Wear shoes you're okay to trash, or bring a cheap pair of flip flops. The salt is abrasive, messy, and gets everywhere. At the Speedway area specifically, the crystallized surface can feel like walking on broken glass barefoot..

Never drive onto the salt when it looks wet, muddy, or light brown at the edges. The crust can be paper-thin at the edges and your vehicle will punch through into deep, sticky brine. Multiple tow trucks have gotten stuck trying to rescue other stuck vehicles..

Leave nothing behind. The salt flats are a federally managed Area of Critical Environmental Concern. No trash, no markings, no cairns, no alterations of any kind.

The ecosystem is fragile even if it doesn't look like one.. Don't even think about accessing the potash production canals north of I-80. They look like colorful pools in aerial photos and get viral social media attention — but Utah Highway Patrol specifically calls out that parking on I-80 to access them is illegal and dangerous.

They're industrial facilities.. Rinse your car (especially wheel wells and undercarriage) after driving on the salt. Salt corrosion is real and fast.

Check with rental companies before driving a rental onto the flats — some prohibit it.. Download offline maps before you leave Wendover. Cell coverage drops off on the flats themselves.

If you have an emergency on the salt, the Tooele County Sheriff Dispatch is at 435-882-5600.. During event closures, you can still walk up to 100 feet onto the salt from the portal sign without paying an entrance fee — so don't assume you're completely locked out even during racing weekends.

The flats are physically safe for most visitors but have several specific hazards that aren't obvious. The biggest danger: driving onto wet or soft salt. The crust can be paper-thin at the edges and collapses into deep, sticky brine that swallows vehicles — and tow trucks have gotten stuck trying to pull them out.

Stick to clean white salt and stay away from any light-brown or muddy-looking areas. The BLM formally states that driving on the flats is at your own risk. Sun exposure is more intense than most visitors expect because the white salt reflects UV radiation upward — apply SPF 50+ including under your nose and chin, wear a wide-brim hat and sunglasses, and budget more water than you think you'll need (the dry air and salt environment are dehydrating).

There are zero facilities on the flats: no bathrooms, no food, no shade, no cell service once you're out in the open. Download offline maps before leaving Wendover. Emergency contact: Tooele County Sheriff Dispatch, 435-882-5600.

Potash production canals north of I-80 are an active industrial hazard — viral social media posts have lured visitors to try swimming in them, which is dangerous and illegal; Utah Highway Patrol actively enforces this. During racing events, access beyond designated areas is restricted — do not attempt to bypass entrance gates or drive around event barriers. Winter visits require extreme caution: thin salt hides dangerous mud pockets and temperatures can drop well below zero with high winds.

There is no public transportation to the Bonneville Salt Flats — a car is essential. From Salt Lake City International Airport (SLC), it's a straightforward 110–120 mile drive west on I-80, taking about 1.5 hours depending on traffic.

Take Exit 4 near Wendover and head north, following signs for the Speedway. The access road (Leppy Pass Road) is paved and ends at a parking area — from there you can walk or, when conditions allow, drive directly onto the salt. Do not miss Exit 4.

The highway has guardrails for much of the stretch and turnarounds are sparse; missing the exit can add nearly an hour to your trip. From the Nevada side (West Wendover), the drive is even shorter. Elko Regional Airport (EKO) is 90–93 miles from Wendover and serves as an alternative gateway, though with far fewer flight options than SLC.

No shuttle or rideshare services operate on the flats themselves, and rental car companies sometimes prohibit driving on the salt — confirm with your rental company before heading out. Gas up in Wendover or at the Sinclair station at Exit 4 before going to the flats; there is nothing beyond that point.