Tingvollfjorden is a fjord in the municipalities of Tingvoll, Gjemnes, Nesset, and Sunndal. The inner part of the fjord (inside the municipality of Sunndal) is called the Sunndalsfjorden. The fjord begins at the island of Bergsøya and stretches about 54 kilometres (34 mi) to the village of Sunndalsøra. The river Driva flows into the fjord at its start. The deepest part of the fjord is just southwest of the village of Tingvollvågen where the fjord reaches a depth of 113 metres (371 ft) below sea level.