The Pemigewasset River, known locally as "The Pemi", is a river in the state of New Hampshire, the United States. It is 65.0 miles (104.6 km) in length and drains approximately 1,021 square miles (2,644 km2). The name "Pemigewasset" comes from the Abenaki word bemijijoasek [bəmidzidzoasək], meaning "where side (entering) current is".