Kızılırmak Turkish for Red River, also known as the Halys River, is the longest river entirely within Turkey. It is a source of hydroelectric power and is not used for navigation. A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as stream, creek, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location examples are run in some parts of the United States, burn in Scotland and northeast England, and beck in northern England. Sometimes a river is defined as being larger than a creek, but not always the language is vague. Landscape is waterland as green as naturel scenic. Stream is flow like a river in Turkey. Kizilirmak River is wide and long one of them in Anatolia land. Plateau or step is flowing in center of Anatolia. Rivers are part of the hydrological cycle. Water generally collects in a river from precipitation through a drainage basin from surface runoff and other sources such as groundwater recharge, springs, and the release of stored water in natural ice and snowpacks e.g., from glaciers. Potamology is the scientific study of rivers, while limnology is the study of inland waters in general. 4k resolution aerial drone flying cam shot by dji inspire 2. High angle bird view from sky.