The Trongfjorden is a fjord between the municipalities of Surnadal and Tingvoll in Møre og Romsdal county, Norway. The fjord is approximately 4 kilometres (2.5 mi) long and is a continuation of the Halsafjord on the north end near Torjulvågen in Tingvoll. On the south end, the fjord branches off into several other fjord arms: Hamnesfjorden, Surnadalsfjorden, Stangvikfjorden, and Ålvundfjorden.[1]