Bos is a river of

Saarland Saarland (, ; ) is a state of Germany in the southwest of the country. With an area of and population of 990,509 in 2018, it is the smallest German state in area apart from the city-states of Berlin, Bremen, and Hamburg, and the smallest in ...

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

. It is a left tributary of the Nahe, which it joins in Gonnesweiler.

Geography

The Bos originates at the Zallenberg at an elevation of above sea level. From here, the stream flows predominantly to the east. It passes the village of Bosen, part of

Nohfelden Nohfelden is a municipality in the Sankt Wendel (district), district of Sankt Wendel, in Saarland, Germany. It is situated approximately north of Sankt Wendel, and southwest of Idar-Oberstein. It was formed during administrative reform in Januar ...

, on the north and then, after about , it reaches the

Bostalsee The Bostalsee is a reservoir in the municipality of Nohfelden in the northern Saarland. It was created in 1979. The dam has a length of 500 metres. The lake is almost exclusively used for recreation. The hydropower from the stored water has ...

. Just before the reservoir it is joined by the right tributary Pärwiesbach which reaches it after flowing through Bosen. Its mouth is located about south of the village of Eckelhausen, also part of Nohfelden. The outlet of the Bostalsee is located southwest of Gonnesweiler. South of the Bostalsee the Dämelbach flows into the Bos. After only about a further the Bos joins the Nahe on the left at an elevation of above sea level. On its course, the Bos drops , which corresponds to a mean bottom slope of 1.91%. It drains a

drainage basin A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, ...

Tributaries

* Jordanbach (right) * Dumpfbach (right) * Seifenbach (left) * Letschbruchbach (left) * Steinfloß (left) * Parwiesbach (right) * Altertbach (left) * Sandbach (left) * Trieschwiesbach (right) * Dämelbach (right) * Krämersbach (right)

Geography

Tributaries

See also