Plunge pool Plunge pool A plunge pool (or plunge basin or waterfall lake) is a deep depression in a stream bed at the base of a waterfall or shut-in. It is created by the erosional forces of cascading water on the rocks at formation's base where the water impacts. The term may refer to the water occupying the depression, or the depression itself. Plunge pools are formed by the natural force of falling water, such as at a waterfall or cascade; they also result from man-made structures such as some spillway designs. Plunge pools are often very deep, generally related to the
Chute (racecourse) turn joins to the backstretch would be 5 furlongs (1,106 m) from the finish. In order to hold races at the distance of – the most common distance of American thoroughbred horse races – the backstretch is extended by an extra 1/16 of a mile (101 m). This is the most common situation where a chute is pressed into service. At some tracks, this chute is longer, so that races can be run at as well. Often a second chute will be placed at the top of the stretch, extending the length of the straightaway from the top of the