Summerland is a town in the Canadian province of British Columbia. It is in the interior of British Columbia, on the west side of Okanagan Lake. The population of Summerland was 10,828 in 2006. The mayor of Summerland is Janice Perrino. It is known for its world renowned wineries. It is also home to the historic Kettle Valley Steam Railway. The town was originally known as Trout Creek and was renamed Summerland in 1902 when Sir Thomas Shaughnessy bought the Barclay Ranch. The nickname for Summerland is Town of Festivals. The sister city of Summerland is Toyokoro, Japan.