The steepest kilometer of the top cycling climbs in Utah. From this page you may navigate to the top 10 steepest bicycling climbs in UT. Utah's steepest bike climbs we have documented are featured in the slideshow below. Scroll down to access Utah's steepest 2 kilometer Top 10 Bicycle Climbs "Table". The cycling climbs covering the steepest 2 kilometer gradients in UT, and some of Utah's hardest and most scenic cycling climbs are, in order of steepness, 1. Powder Mountain, 2. Guardsman Pass, 3. Empire Pass, Midway, 4. Hwy 143, 5. Shafer Trail, 6. Empire Pass, Park City, 7. Little Cottonwood Canyon, 8. La Sal Loop (Spanish Valley), 9. North Ogden Divide West, and 10. Nebo Loop Rd South.