The Trondheimsleia is a strait

Strait

A strait or straits is a narrow, typically navigable channel of water that connects two larger, navigable bodies of water. It most commonly refers to a channel of water that lies between two land masses, but it may also refer to a navigable channel through a body of water that is otherwise not...

 that runs between the islands of Smøla

Smøla

Smøla is a municipality in Møre og Romsdal county, Norway. It is part of the Nordmøre region. The administrative centre of the municipality is the village of Hopen, other villages include Dyrnes, Råket, and Veiholmen.-General information:...

 and Hitra

Hitra

Hitra is a municipality and an island in Sør-Trøndelag county, Norway. The municipality covers the island of Hitra and several smaller islands, and is part of the Fosen region...

 and the mainland municipalities of Aure

Aure, Norway

Aure is a municipality in Møre og Romsdal county, Norway. It is part of the region of Nordmøre. The administrative centre is the village of Aure. Other villages include Stemshaug, Todalen, and Tjeldbergodden. Aure has one of the largest wooden churches in Norway.The municipality includes many...

, Hemne

Hemne

Hemne is a municipality in Sør-Trøndelag county, Norway. It is part of the Fosen region. The administrative centre of the municipality is the village of Kyrksæterøra. Other villages include Heim, Hellandsjøen, Holla, and Vinjeøra...

, Snillfjord

Snillfjord

Snillfjord is a municipality in Sør-Trøndelag county, Norway. It is part of the Fosen region. The administrative centre of the municipality is the village of Krokstadøra. Other villages in Snillfjord include Ytre Snillfjord, Hemnskjela, and Vutudal....

, and Agdenes

Agdenes

Agdenes is a municipality in Sør-Trøndelag county, Norway. It is part of the Orkdalen region. The administrative centre is the village of Selbekken. Other villages in the municipality include Ingdalen, Lensvik, Vassbygda, and Leksa.-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:...

 and Sør-Trøndelag

Sør-Trøndelag

- References :...

 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 94 kilometres (58.4 mi) long strait has several 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...

s which branch off it including the Ramsøyfjorden, Hemnfjorden

Hemnfjorden

The Hemnfjorden is a fjord in Sør-Trøndelag county, Norway. The long fjord flows south from the Trondheimsleia and forms the boundary between the municipalities of Hemne and Snillfjord...

, and Trondheimsfjorden. The islands of Leksa

Leksa

Leksa refers to the two islands in the Trondheimsleia. They are located in the municipality of Agdenes in Sør-Trøndelag county, Norway. Leksa is made up of the smaller north island, Nord-Leksa, and the larger south island, Sør-Leksa. The two islands have been connected by a small causeway since...

 are located in the Trondheimsleia in Agdenes

Agdenes

Agdenes is a municipality in Sør-Trøndelag county, Norway. It is part of the Orkdalen region. The administrative centre is the village of Selbekken. Other villages in the municipality include Ingdalen, Lensvik, Vassbygda, and Leksa.-General information:...

. The Hitra Tunnel is a road tunnel underneath the Trondheimsleia connecting Hitra

Hitra

Hitra is a municipality and an island in Sør-Trøndelag county, Norway. The municipality covers the island of Hitra and several smaller islands, and is part of the Fosen region...

 and Snillfjord

Snillfjord

Snillfjord is a municipality in Sør-Trøndelag county, Norway. It is part of the Fosen region. The administrative centre of the municipality is the village of Krokstadøra. Other villages in Snillfjord include Ytre Snillfjord, Hemnskjela, and Vutudal....

.