Kosi River is a beautiful point of attraction for the visitors in the park. It forms the eastern boundary of Corbett National Park and is used by animals for drinking water. The river is also a famous spot for the visitors to enjoy fishing and angling activities. The Garjia Temple is perched on a huge rock in the middle of this river. The temple is dedicated to Goddess Parvati and is visited by many devotees. The idols of Baba Bhairon, Lord Shiva and Ganesha are also placed inside the temple.