Amazing sandstone arch in the Arches National Park, Utah, United States.Arches National Park is of course famous for the red arches of Entrada sandstone that occur there in great profusion, and the visitor center sells a map showing the location of over 1,000, ranging in size from Landscape Arch with an 89 metre span to small cavities 3 feet across, which is the minimum dimension for an opening to be officially classified as an arch. But there are also many other striking rock formations scattered over the park’s 73,000 scenic acres, and to see the whole area would take several days. As with most other low lying regions in south Utah, temperatures in Arches National Park may reach 110 degrees F which restricts hiking activities, although summer brings frequent cooling afternoon thunderstorms. The winter weather is not too extreme, and any snowfall is usually quite light.

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