Water is essential for the survival of the spectacular avifaunal diversity present in the Corbett National Park. Such a remarkable gamut of flora and fauna species in the park is seen just because of the mighty rivers flowing through the park that plays a crucial role in shaping the biodiversity. The Ramganga river (West) along with its significant tributaries Sonanadi, Palain, and Mandal forms the prominent hydrological resource for the Corbett. The river Kosi also flows by the national park and serves as a significant water resource for the nearby area. The major portion of the Corbett wild is situated on the bank of River Kosi. These water bodies shape the wide and varied aquatic life of the region. The precious wildlife of the Corbett is dependent on rivers as they provide drinking water for them, especially in the dry season. The river that flows in and around the Jim Corbett National Park are as follows: