Rapids and cascades can make it necessary to portage.
cascades
The word that means small waterfalls is "cascades." Cascades refer to a series of small waterfalls or the action of water flowing over a series of rocks or ledges. They are often found in natural settings, contributing to the beauty of landscapes.
If you do not capitalize "cascades" then it only means "falling (water)" and there are cascades on every continent. If you mean The Cascades (with the capital "C") then the answer is North America.
Cascades Region's population is 524,956.
The area of Cascades Region is 18,406 square kilometers.
Roquefort-les-Cascades's population is 100.
The population of Gimel-les-Cascades is 704.
Cascades - MAX station - was created in 2007.
Cascades Female Factory was created in 1828.
Cascades Female Factory ended in 1856.
The area of Cascades - ecoregion - is 44,952 square kilometers.