Moldevatnet (lit. 'Lake Molde') is the main reservoir and water supply for the city of Molde in Molde Municipality in Møre og Romsdal county, Norway. The 19-hectare (47-acre) lake is the source of the river Moldeelva and it is located about 4 kilometres (2.5 mi) north of the city, and the north end lies about 200 metres (660 ft) southeast of the border with Hustadvika Municipality.