The Třemošná is a

river A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...

in the

Czech Republic The Czech Republic, also known as Czechia, and historically known as Bohemia, is a landlocked country in Central Europe. The country is bordered by Austria to the south, Germany to the west, Poland to the northeast, and Slovakia to the south ...

, a left

tributary A tributary, or an ''affluent'', is a stream or river that flows into a larger stream (''main stem'' or ''"parent"''), river, or a lake. A tributary does not flow directly into a sea or ocean. Tributaries, and the main stem river into which they ...

of the

Berounka The Berounka () is a river in the Czech Republic, a left tributary of the Vltava River. It flows through the Plzeň Region, Plzeň and Central Bohemian Region, Central Bohemian regions to Prague. It is formed by the confluence of the Mže and Radbu ...

River. It flows through the

Plzeň Region Plzeň Region or Plzeňský Region (also known as Pilsen Region; ) is an Regions of the Czech Republic, administrative unit () of the Czech Republic, located in the western part of the historical land of Bohemia and named after the capital, Plz ...

. It is long.

Etymology

The name Třemošná evolved from the word ''střemcha'', i.e. '

bird cherry Bird cherry is a common name for the Eurasian plant ''Prunus padus''. Bird cherry may also refer to: * Prunus subg. Padus, ''Prunus'' subg. ''Padus'', a group of species closely related to ''Prunus padus'' * ''Prunus avium'', the cultivated cherry ...

Characteristic

The Třemošná originates in the territory of Krsy in the

Rakovník Uplands Rakovník (, ) is a town in the Central Bohemian Region of the Czech Republic. It has about 16,000 inhabitants. The historic town centre is well preserved and is protected as an urban monument zone. Administrative division Rakovník consists o ...

at an elevation of and flows to Kaceřov, where it enters the Berounka River at an elevation of . It is long. Its

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, ...

has an area of . The average discharge at its mouth is . The longest tributaries of the Třemošná are:

Course

The river flows through the municipal territories of Krsy,

Úněšov Úněšov () is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 600 inhabitants. Administrative division Úněšov consists of nine municipal parts (in brackets population according to t ...

, Všeruby,

Nevřeň Nevřeň is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 300 inhabitants. Nevřeň lies approximately north-west of Plzeň and west of Prague Prague ( ; ) is the capital and ...

Příšov Příšov is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 300 inhabitants. Příšov lies approximately north-west of Plzeň and west of Prague Prague ( ; ) is the capital a ...

, Ledce,

Třemošná Třemošná (; ) is a town in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 5,100 inhabitants. Administrative division Třemošná consists of two municipal parts (in brackets population according to the 2021 cen ...

Česká Bříza Česká Bříza (until 1948 Německá Bříza; ) is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 600 inhabitants. Česká Bříza lies approximately north-east of Plzeň and west of ...

Hromnice Hromnice is a municipality and village in Plzeň-North District in the Plzeň Region of the Czech Republic. It has about 1,300 inhabitants. Hromnice lies approximately north-east of Plzeň and west of Prague Prague ( ; ) is the capital a ...

, Jarov and Kaceřov.

Bodies of water

There are 180 bodies of water in the basin area. The largest of them is the fishpond Hamr with an area of , supplied by the Bělá. A system of several small fishponds is built on the upper course of the Třemošná.

References

External links

River flow at Kaceřov station
– Flood Warning and Forecasting Service of the

Czech Hydrometeorological Institute The Czech Hydrometeorological Institute (CHMI; ) is the central state office of the Czech Republic in the fields of air quality, meteorology, climatology and hydrology. It is an organization established by the Ministry of the Environment of the Cz ...