The Scorff River flows from central Brittany

Brittany

Brittany is a cultural and administrative region in the north-west of France. Previously a kingdom and then a duchy, Brittany was united to the Kingdom of France in 1532 as a province. Brittany has also been referred to as Less, Lesser or Little Britain...

 and enters the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 on the south coast in Lorient

Lorient

Lorient, or L'Orient, is a commune and a seaport in the Morbihan department in Brittany in north-western France.-History:At the beginning of the 17th century, merchants who were trading with India had established warehouses in Port-Louis...

.

The Scorff rises north of Langoëlan

Langoëlan

Langoëlan is a commune in the Morbihan department of Brittany in north-western France.-References:* * -External links:* *...

, in the Morbihan

Morbihan

Morbihan is a department in Brittany, situated in the northwest of France. It is named after the Morbihan , the enclosed sea that is the principal feature of the coastline.-History:...

 department, and flows through the towns of Guémené-sur-Scorff

Guémené-sur-Scorff

Guémené-sur-Scorff is a commune in the Morbihan department in Brittany in north-western France.It is located west of Pontivy.-Geography:Guémené is situated on the Scorff river and is unusual in that it is a commune without any outlying land and it is bounded by the town boundaries...

 and Pont-Scorff

Pont-Scorff

Pont-Scorff is a commune in the Morbihan department of Brittany in north-western France.It takes its name from the River Scorff, which flows through the town.-Demographics:...

. From there its bed enlarges to form a ria

Ria

A ria is a coastal inlet formed by the partial submergence of an unglaciated river valley. It is a drowned river valley that remains open to the sea. Typically, rias have a dendritic, treelike outline although they can be straight and without significant branches. This pattern is inherited from the...

, submitted to the tide

Tide

Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the moon and the sun and the rotation of the Earth....

s. It joins the Blavet

Blavet

The Blavet river flows from central Brittany and enters the Atlantic Ocean on the south coast near Lorient. The river is canalized for most of its length and is navigable for smaller craft. It is part of Brittany's canal system and became more important when the western half of that system got cut...

 in Lorient, where it enters the Ocean in the roadstead of Lorient.

It is 78.7 kilometres (48.9 mi) long.

Fauna

The river is classified as "first category" ; it is home to Brown trout

Brown trout

The brown trout and the sea trout are fish of the same species....

s and Atlantic salmon

Atlantic salmon

The Atlantic salmon is a species of fish in the family Salmonidae, which is found in the northern Atlantic Ocean and in rivers that flow into the north Atlantic and the north Pacific....

s.