Hierarchy classification:

1. top of the aat hierarchies
2. Objects Facet
3. Built Environment (hierarchy name)
4. Settlements and Landscapes (hierarchy name)
5. landscapes (environments)
6. natural landscapes
7. bodies of water (natural)
8. bodies of freshwater
9. [bodies of freshwater by biome]
10. riverine bodies of water

Narrower term/s

• cataracts

Anotations

Scope note:

Perpendicular or very steep descents of the water of a stream. May be used for artificial waterfalls only if highly naturalistic in form and context; otherwise prefer "cascades" or "fountains."