Five Miles of Hell in Utah’s San Rafael Swell is one of the toughest dirt bike trails in the U.S. This extreme 8.6-mile single-track features slickrock, steep ledges, deep sand washes, and relentless technical obstacles. A true test for expert riders, it demands skill, endurance, and top-tier bike control. Ready for the challenge? Ride one of the most brutal trails in the desert today!