A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath. Natural arches commonly form where inland cliffs, …

Sep 23, 2025 · This graceful sandstone span in Natural Bridges National Monument gets its name from a Hopi word meaning “rock mound,” though locals often call it the most photogenic arch …

Jan 19, 2024 · We visited many arches in Red River Gorge, including the famous Rock Bridge and Grays Arch, and the hike to Natural Bridge was one of our favorites! The region is one of …

Nov 15, 2023 · If you’re an arch enthusiast or just arch-curious and dipping your toes into the wild and wonderful world of arches, check out this list describing the most fantastic natural arches …

A Non-profit Society Supporting the Study, Appreciation, and Preservation of Natural Arches and Bridges

Below is an easy natural arch definition that will help you understand how these beautiful rock formations occur. A natural arch is formed by erosion. Brittle rock is gradually worn down and …

Journey through Earth’s geological marvels! Explore 15 amazing natural arches, including Utah’s sacred Rainbow Bridge, the largest in the worl…

Jun 3, 2025 · Natural arches and bridges are fascinating formations, and there are thousands of them in the U.S. alone, from massive to too small to squeeze under. In fact, we have a …

Apr 29, 2025 · Mailing Address: PO Box 907 Moab, UT 84532Phone: 435 719-2299

Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, rivers or weathering (subaerial processes). Most natural arches are …