Wairarapa is a district in the southeastern part of the North Island of New Zealand. It extends from the eastern slopes of the Tararua Range to the eastern coast of the North Island in Wellington. The Wairarapa is an important sheep-farming area. It is also known for its many vineyards. The Ruamahanga River flows from the Tararua Range into Lake Wairarapa. The chief towns are Masterton and Featherston.