Kolob Arch is a natural arch

Natural arch

A natural arch or natural bridge is a natural geological formation where a rock arch forms, with an opening underneath. Most natural arches form as a narrow ridge, walled by cliffs, become narrower from erosion, with a softer rock stratum under the cliff-forming stratum gradually eroding out until...

 in Zion National Park

Zion National Park

Zion National Park is located in the Southwestern United States, near Springdale, Utah. A prominent feature of the park is Zion Canyon, which is 15 miles long and up to half a mile deep, cut through the reddish and tan-colored Navajo Sandstone by the North Fork of the Virgin River...

, Utah

Utah

Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...

.

The Natural Arch and Bridge Society considers Kolob Arch to be the second 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

Landscape Arch

Landscape Arch is the longest of the many natural rock arches located in the Arches National Park in Utah, USA. The arch is among many in the area known as Devil's Garden in the north area of the park...

 in Arches National Park

Arches National Park

Arches National Park is a U.S. National Park in eastern Utah. It is known for preserving over 2000 natural sandstone arches, including the world-famous Delicate Arch, in addition to a variety of unique geological resources and formations....

. 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.

External links

• Natural Arch and Bridge Society article
• Kolob Information about Kolob Arch, Kolob Canyons and Kolob Terrace.