The Natural Arch and Bridge Society (NABS) considers Kolob Arch to be the sixth longest natural arch in the world. In 2006, the Society measured the span at 287.4 ± 2 feet (87.6 m), which is slightly shorter than the Landscape Arch in Arches National Park. Differences in measuring technique or definitions could produce slightly different results and change this ranking.
Kolob Arch can be reached via one of two hiking trails, either of which is seven miles (11 km) long and results in a round trip of fourteen miles (22 km). The arch can also be reached from Ice Box Canyon, a canyoneering route in this section of Zion National Park. The arch is set close to a cliffside that it frames.
- "The Worlds Longest Natural Spans". www.naturalarches.org. Natural Arch and Bridge Society. Retrieved 3 May 2016.
- Wilbur, Jay H., "The Dimensions of Kolob Arch," Natural Arch and Bridge Society, retrieved 2007-01-04
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