<Ul> <Li> Ledge waterfall: Water descends vertically over a vertical cliff, maintaining partial contact with the bedrock . <Ul> <Li> Block / Sheet: Water descends from a relatively wide stream or river . </Li> <Li> Classical: Ledge waterfalls where fall height is nearly equal to stream width, forming a vertical square shape . </Li> <Li> Curtain: Ledge waterfalls which descend over a height larger than the width of falling water stream . </Li> </Ul> </Li> <Li> Plunge: Fast moving water descends vertically, losing complete contact with the bedrock surface . The contact is typically lost due to horizontal thrust of the water before it falls . It always starts from a narrow stream . <Ul> <Li> Punchbowl: Water descends in a constricted form and then spreads out in a wider pool . </Li> </Ul> </Li> <Li> Horsetail: Descending water maintains contact with bedrock most of the time . <Ul> <Li> Slide: Water glides down maintaining continuous contact . </Li> <Li> Ribbon: Water descends over a long narrow strip . </Li> <Li> Chute: A large quantity of water forced through a narrow, vertical passage . </Li> <Li> Fan: Water spreads horizontally as it descends while remaining in contact with bedrock . </Li> </Ul> </Li> <Li> Cascade: Water descends a series of rock steps . </Li> <Li> Tiered / Multi-step / Staircase: A series of waterfalls one after another of roughly the same size each with its own sunken plunge pool . </Li> <Li> Cataract: A large, powerful waterfall . </Li> <Li> Segmented: Distinctly separate flows of water form as it descends . </Li> <Li> Catadupa: A cataract or waterfall, originally those of the Nile . The term catadupae refers to people inhabiting near such cataracts; there are suppositions that these people are deaf due to the constant din . </Li> <Li> Frozen: Any waterfall which has some element of ice or snow . </Li> <Li> Moulin: A moulin is a waterfall in a glacier </Li> </Ul> <Li> Ledge waterfall: Water descends vertically over a vertical cliff, maintaining partial contact with the bedrock . <Ul> <Li> Block / Sheet: Water descends from a relatively wide stream or river . </Li> <Li> Classical: Ledge waterfalls where fall height is nearly equal to stream width, forming a vertical square shape . </Li> <Li> Curtain: Ledge waterfalls which descend over a height larger than the width of falling water stream . </Li> </Ul> </Li> <Ul> <Li> Block / Sheet: Water descends from a relatively wide stream or river . </Li> <Li> Classical: Ledge waterfalls where fall height is nearly equal to stream width, forming a vertical square shape . </Li> <Li> Curtain: Ledge waterfalls which descend over a height larger than the width of falling water stream . </Li> </Ul> <Li> Block / Sheet: Water descends from a relatively wide stream or river . </Li>

A hollow at the end of a waterfall is a