Esk is a term that can refer to various rivers in the United Kingdom, notably the River Esk in Scotland and England. These rivers are known for their scenic beauty and are popular for activities like fishing and walking along their banks. The River Esk in Scotland is particularly famous for its salmon fishing. In addition to rivers, "Esk" can also refer to the Eskimo people, an indigenous group primarily found in the Arctic regions of Alaska, Canada, and Greenland. They have a rich cultural heritage, including unique languages, traditional clothing, and hunting practices adapted to their cold environments.