The Loisach is a

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of ...

that flows through

Tyrol Tyrol (; historically the Tyrole; de-AT, Tirol ; it, Tirolo) is a historical region in the Alps - in Northern Italy and western Austria. The area was historically the core of the County of Tyrol, part of the Holy Roman Empire, Austrian Emp ...

Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...

and

Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is the largest German state by land area, comprising roughly a fifth of the total l ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwee ...

. Its name might be

Celtic Celtic, Celtics or Keltic may refer to: Language and ethnicity *pertaining to Celts, a collection of Indo-European peoples in Europe and Anatolia **Celts (modern) *Celtic languages **Proto-Celtic language *Celtic music *Celtic nations Sports Foo ...

in origin, from

Proto-Celtic Proto-Celtic, or Common Celtic, is the ancestral proto-language of all known Celtic languages, and a descendant of Proto-Indo-European. It is not attested in writing but has been partly reconstructed through the comparative method. Proto-Celt ...

''*lawo'' and ''*iskā'', both of which mean "water". The Loisach goes through the great swamp . The Loisach is a left tributary to the

Isar The Isar is a river in Tyrol, Austria, and Bavaria, Germany, which is not navigable for watercraft above raft size. Its source is in the Karwendel range of the Alps in Tyrol; it enters Germany near Mittenwald and flows through Bad Tölz, Mu ...

. The source of the Loisach is near Ehrwald in Austria. The Loisach flows past

Garmisch-Partenkirchen Garmisch-Partenkirchen (; Bavarian: ''Garmasch-Partakurch''), nicknamed Ga-Pa, is an Alpine ski town in Bavaria, southern Germany. It is the seat of government of the district of Garmisch-Partenkirchen (abbreviated ''GAP''), in the Ob ...

and into the

Kochelsee Kochelsee or Lake Kochel is a lake south of Munich on the edge of the Bavarian Alps. The western 1.7 km² or 28.3 percent of the lake lies within the borders of the town of Schlehdorf, while the rest belongs to Kochel am See. The southern edge o ...

. At the Kochelsee the water that was diverted from the upper river Isar for the

Walchensee Hydroelectric Power Station The Walchensee Power Plant (german: link=no, Walchenseekraftwerk) is a hydroelectric power station in Bavaria, Germany. It is a storage power station that is fed water from the Walchensee which is then released into the Kochelsee. The installe ...

joins the Loisach. The Loisach then flows out of Kochelsee and joins the Isar at

Wolfratshausen Wolfratshausen () is a town of the district of Bad Tölz-Wolfratshausen, located in Bavaria, Germany. The town had a population of 19,033 as of 31 December 2019. History The first mention of "Wolveradeshusun" appears in documents from the year ...

. A canal joins the Isar and the Loisach returning the water diverted for power generation to the Isar before Wolfratshausen to reduce the risk of flooding in the town. The most important tributaries of the Loisach entering from the right-hand side are the Hammersbach, the

Partnach The Partnach is an mountain river in Bavaria, Germany. It rises at a height of on the Zugspitze Massif. The Partnach is fed by meltwaters from the Schneeferner glacier some higher up. The glacier's meltwaters seep into the karsty bedrock a ...

near

, the streams Kuhflucht near

Farchant Farchant is a municipality in the district of Garmisch-Partenkirchen, in Bavaria Bavaria ( ; ), officially the Free State of Bavaria (german: Freistaat Bayern, link=no ), is a state in the south-east of Germany. With an area of , Bavaria is t ...

, Röhrlbach and Lauterbach near Oberau, the Mühlbach near

Eschenlohe Eschenlohe is a German municipality in the district of Garmisch-Partenkirchen Garmisch-Partenkirchen (; Bavarian: ''Garmasch-Partakurch''), nicknamed Ga-Pa, is an Alpine ski town in Bavaria, southern Germany. It is the seat of gover ...

, as well as the Eschenlaine near Eschenlohe, and the Kaltwasserleine near Ohlstadt and the Lainbach coming from the Benediktenwand. On the left, the Loisach receives a notable tributary at from the , at Oberau from Gießenbach and at Murnau via the Ramsach, which drains the entire Murnauer Moos.

References

Rivers of Bavaria Rivers of Tyrol (state) International rivers of Europe Rivers of Austria Rivers of Germany {{Bavaria-river-stub