Kaziranga National Park is the oldest park in Assam; covering an area of 430 sq kms along the River Brahmaputra on the North and the Karbi Anglong hills on the South. The park is inhabited by the world’s largest population of one-horned rhinoceros. As well as many mammals like tigers, elephants, panthers and bears as well as a variety of birds. The park is open from November to April. Furthermore, tourists can move around the park on elephant back or cruise in a boat on the River Brahmaputra.