The Trongfjorden is a fjord

Fjord

Geologically, a fjord is a long, narrow inlet with steep sides or cliffs, created in a valley carved by glacial activity.-Formation:A fjord is formed when a glacier cuts a U-shaped valley by abrasion of the surrounding bedrock. Glacial melting is accompanied by rebound of Earth's crust as the ice...

 between the municipalities of Surnadal

Surnadal

is a municipality in Møre og Romsdal county, Norway. It is part of the Nordmøre region. The administrative centre is the village of Skei. Other villages include Todalsøra, Surnadalsøra, Sylte, Glærem, Stangvik, and Åsskard....

 and Tingvoll

Tingvoll

Tingvoll is a municipality in Møre og Romsdal county, Norway. It is part of the Nordmøre region. The administrative centre is the village of Tingvoll. Other villages include Meisingset, Kvisvik, and Torjulvågen.-General information:...

 in Møre og Romsdal

Møre og Romsdal

is a county in the northernmost part of Western Norway. It borders the counties of Sør-Trøndelag, Oppland and Sogn og Fjordane. The county administration is located in Molde, while Ålesund is the largest city.-The name:...

 county, Norway

Norway

Norway , officially the Kingdom of Norway, is a Nordic unitary constitutional monarchy whose territory comprises the western portion of the Scandinavian Peninsula, Jan Mayen, and the Arctic archipelago of Svalbard and Bouvet Island. Norway has a total area of and a population of about 4.9 million...

. The fjord is approximately 4 kilometres (2.5 mi) long and is a continuation of the Halsafjord

Halsafjord

The Halsafjord is a fjord in the municipalities of Surnadal and Tingvoll in Møre og Romsdal county, Norway. The fjord branches south off of the Vinjefjorden and stretches about until it becomes the Trongfjord off of which the Surnadalsfjord later branches....

 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.