ARCH TAXONOMY
 Abandoned Natural Arch  
 Alcove Natural Arch
 Arc Natural Arch
 Buttress Natural Arch
 Caprock Natural Arch
 Cave Natural Arch
 Cavern
 Fin Natural Arch
 Lava Natural Arch
 Meander Natural Bridge
 Pillar Natural Arch
 Pothole Natural Arch
 Propped Natural Arch
 Sea Natural Arch
 Shelter Natural Arch
 Waterfall Natural Bridge 
 Irregular Natural Arch

 

 

Natural Arch Taxonomy

Here is the recommended natural arch taxonomy. Click on each type in the menu at the left, and it will be described using the attributes that define it.

Photographs of examples of each type are also provided.

See Natural Arch Classification and Taxonomy for background information.