Vikramshila Gangetic Dolphin Sanctuary is located in Bhagalpur District of Bihar, India.

The sanctuary is a 60 kilometers stretch of the Ganges River from Sultanganj to Kahalgaon in Bhagalpur district.

[1] This decision was taken in the first meeting of the National Ganga River Basin Authority (NGRBA) chaired by Prime Minister Dr. Manmohan Singh on 5 October 2009.

It is located close to the archaeological remains of Vikramshila University and at the eastern end of the sanctuary bordering the state of Jharkhand.

Major attractions are the Ganges river dolphins (known as Soons by Locals)[4] which are classified as endangered on the 2006 IUCN Red List of Threatened Species, included in Schedule-I of the Indian Wildlife Protection Act, 1972 and Appendix 2 of Convention of Migratory Species.

The sanctuary also contains rich diversity of other threatened aquatic wildlife, including the Indian smooth-coated otter (Lutrogale perspicillata), gharial (Gavialis gangeticus), a variety of freshwater turtles, and 135 species of waterfowl.

Fauna from different families such as Accipitridae, Alaudidae, Alcedinidae, Anatidae, Ardeidae, Chardriidae, Ciconidae, Hirundinidae, Laridae, Motacillidae, Scolopacidae, Threskiornithidae could be seen here.