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Geological Formation

Natural arch

Coastal and Reef Features

A natural arch, also called a natural bridge or rock arch, is a landform in which an opening has formed beneath an arch of rock, most commonly where an inland cliff, a coastal cliff, a rock fin or a sea stack is worn away by erosion from the sea, a river, or ordinary weathering.

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Caused By

Erosion, Processes
Source Natural arch (Wikipedia)

In Discipline

Source Natural arch (Wikipedia)
Sources
Natural arch (Wikipedia)
  • In Discipline: Geomorphology, Lead paragraph
    A natural arch, natural bridge, or (less commonly) rock arch is a natural landform where an arch has formed with an opening underneath
  • Caused By: Erosion, Lead section (caused-by Erosion)
    Natural arches commonly form where inland cliffs, coastal cliffs, fins or stacks are subject to erosion from the sea, rivers or weathering (subaerial processes).
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