A stretch of fast-flowing water is commonly referred to as a "rapids." Rapids are characterized by turbulent water and increased velocity, often occurring in rivers where the gradient steepens or there are obstacles like rocks. They can vary in intensity and are typically found in mountainous or hilly regions.
Rapids
A fast flowing stream is called a rapid. Rapids are where the water flows downhill very fast and over underwater obstacles.
Well it is called rapids but I call it a waterfall
stones and fast flowing water can block the water from flowing
erosion
rapids
Whitewater.
rapids
Rapids
Bigger.
Surging. Rushing. Roaring. Shooting.
White water rafting.