NABSQNO 12S-620979-4294446
Landscape Arch in Arches National Park, Utah
Photo by Jay Wilbur
Example Arc Natural Arch
NABSQNO 12S-620979-4294446. Landscape Arch is an arc natural arch eroded in Entrada sandstone. Like any arc natural arch, Landscape Arch is considered old and near the end of its lifecycle. Indeed, a 65 foot segment of rock fell from the bottom of the arch in September 1991. However, the rock that fell was probably not structurally important to the arch. In fact, by reducing the weight of suspended rock, the arch is probably now stronger. Again typical of arc natural arches, Landscape Arch has large abutments.Landscape Arch is surely one of the world's greatest natural wonders. It has a span of 290 feet, the greatest span of any natural arch so far documented in the world, but is only about 6 feet thick at its narrowest point! Much more than the 10 to 1 ratio required to be an arc natural arch. The arch is located in the Devil's Garden area of Arches National Park. A well maintained trail of about a mile leads to the arch from the park campground and carpark. Because of the rockfall mentioned above, the old loop trail under the arch has been closed.
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Other Arc Natural Arch examples:
| Landscape Arch | Bridge Mountain Arch | Ribbon Arch | Castle Arch | Long Arch |