Bóbr is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 which runs through the north of the Czech Republic

Czech Republic

The Czech Republic is a landlocked country in Central Europe. The country is bordered by Poland to the northeast, Slovakia to the east, Austria to the south, and Germany to the west and northwest....

 and the southwest of Poland

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

, a left tributary of the Oder River

Oder

The Oder is a river in Central Europe. It rises in the Czech Republic and flows through western Poland, later forming of the border between Poland and Germany, part of the Oder-Neisse line...

, with a length of 272 kilometres (169 mi) (2 in Czech Republic, 270 in Poland, 10th longest Polish river) and a basin area of 5876 square kilometres (2,268.7 sq mi) (46 in Czech Republic and 5,830 in Poland).

The Bóbr originates in the Rýchory mountains in the southeast of the Karkonosze

Karkonosze

Krkonoše is a mountain range located in the north of the Czech Republic and the south-west of Poland, part of the Sudetes mountain system . The Czech-Polish border, which divides the historic regions of Bohemia and Silesia, runs along the main ridge...

 range, where the source is located near the small Bobr village of the Žacléř

Žaclér

Žacléř is a town in the Hradec Králové Region of the Czech Republic. It has around 3,600 inhabitants.Villages Bobr and Prkenný Důl are administrative parts of Žacléř.-External links:*...

 municipality in the Czech Hradec Králové Region

Hradec Králové Region

Hradec Králové Region is an administrative unit of the Czech Republic, located in the north-eastern part of its historical region of Bohemia. It is named after its capital Hradec Králové....

. Shortly after it crosses the border to Polish Niedamirów

Niedamirów

Niedamirów is a village in the administrative district of Gmina Lubawka, within Kamienna Góra County, Lower Silesian Voivodeship, in south-western Poland, near the border with the Czech Republic. Prior to 1945 it was in Germany. It lies approximately west of Lubawka, south-west of Kamienna...

 and runs northwestwards through the Jelenia Góra valley

Jelenia Góra valley

Jelenia Góra valley in Poland is a big valley at the Silesian northern side of the Western Sudetes and next to Kłodzko Valley the largest intramontane basin of the Sudetes. It is situated at an altitude of 250–400 meters above sea level and covers an area of 273 km2...

 of the Western Sudetes

Western Sudetes

Western Sudetes are the Western part of Sudetes range system on the border of the Czech Republic, Poland and Germany. They stretch from the Bóbr river in the east to the Elbe and the Elbe Sandstone Mountains in the west....

 to the dam of Pilchowice

Pilchowice, Lower Silesian Voivodeship

Pilchowice is a village in the administrative district of Gmina Wleń, within Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland. Prior to 1945 it was in Germany. It lies approximately south-west of Wleń, south of Lwówek Śląski, and west of the regional capital...

 and into the plains of Lower Silesia

Lower Silesia

Lower Silesia ; is the northwestern part of the historical and geographical region of Silesia; Upper Silesia is to the southeast.Throughout its history Lower Silesia has been under the control of the medieval Kingdom of Poland, the Kingdom of Bohemia and the Austrian Habsburg Monarchy from 1526...

, where the parallel Kwisa

Kwisa

The Kwisa is a river in south-western Poland, a left tributary of the Bóbr, which itself is a left tributary of the Oder river.It rises in the Izera Mountains, part of the Western Sudetes range, where it runs along the border with the Czech Republic...

 river joins it. The river finally flows into the Oder near the town of Krosno Odrzańskie

Krosno Odrzanskie

Krosno Odrzańskie is a city on the east bank of Oder River, at the confluence with the Bóbr. The town in Western Poland with 12,500 inhabitants is the capital of Krosno County...

.

Since the Middle Ages the lower Bóbr river north of Żagań

Zagan

Zagan may refer to:*Zagan - a demon in the Ars Goetia*Żagań - a town in west Poland...

 marked the border between the historic regions of Silesia

Silesia

Silesia is a historical region of Central Europe located mostly in Poland, with smaller parts also in the Czech Republic, and Germany.Silesia is rich in mineral and natural resources, and includes several important industrial areas. Silesia's largest city and historical capital is Wrocław...

 in the east and Lower Lusatia

Lower Lusatia

Lower Lusatia is a historical region stretching from the southeast of the Brandenburg state of Germany to the southwest of the Lubusz Voivodeship in Poland. Important towns beside the historic capital Lübben include Calau, Cottbus, Guben , Luckau, Spremberg, Finsterwalde, Senftenberg and Żary...

 to the west.

Towns

• Lubawka
  Lubawka
  Lubawka is a town in Poland, in Lower Silesia Voivodship, in Kamienna Góra County. It is the administrative seat of Gmina Lubawka. It lies in the area of Central Sudetenland near to the border with the Czech Republic on the way across the Lubawka pass between the Karkonosze and Crow Mountains...
  
  
• Kamienna Góra
  Kamienna Góra
  Kamienna Góra is a town in south-western Poland with 21,440 inhabitants . It is the seat of Kamienna Góra County, and also of the rural district called Gmina Kamienna Góra, although it is not part of the territory of the latter .Kamienna Góra on the Bóbr river is situated in Lower Silesian...
  
  
• Jelenia Góra
  Jelenia Góra
  ----Jelenia Góra is a city in Lower Silesia, south-western Poland. The name of the city means "deer mountain" in Polish, Czech and German. It is close to the Krkonoše mountain range running along the Polish-Czech border – ski resorts such as Karpacz and Szklarska Poręba can be found...
  
  
• Wleń
  Wlen
  Wleń is a town in Lwówek Śląski County, Lower Silesian Voivodeship, in south-western Poland. It is located on the Bóbr river in the historic Lower Silesian region, approximately south-east of Lwówek Śląski, and west of the regional capital Wrocław....
  
  
• Lwówek Śląski
  Lwówek Slaski
  Lwówek Śląski is a town in the Lower Silesian Voivodeship in Poland. Situated on the Bóbr River, Lwówek Śląski is about 30 km NNW of Jelenia Góra and has a population of about 10,300 inhabitants...
  
  
• Bolesławiec
• Szprotawa
  Szprotawa
  Szprotawa is a town in Poland, in Lubusz Voivodeship, in Żagań County. It has 12,648 inhabitants .- History :The first information about the terrains of today's Szprotawa comes at 1000 from the chronicle of bishop Thietmar of Merseburg, who accompanied the emperor Otto III on pilgrimage to the...
  
  
• Małomice
• Żagań
  Zagan
  Zagan may refer to:*Zagan - a demon in the Ars Goetia*Żagań - a town in west Poland...
  
  
• Nowogród Bobrzański
  Nowogród Bobrzanski
  Nowogród Bobrzański is a town on the Bóbr river in Zielona Góra County, Lubusz Voivodeship, Poland, with 5,068 inhabitants . It is the administrative seat of the Gmina Nowogród Bobrzański....
  
  
• Krosno Odrzańskie
  Krosno Odrzanskie
  Krosno Odrzańskie is a city on the east bank of Oder River, at the confluence with the Bóbr. The town in Western Poland with 12,500 inhabitants is the capital of Krosno County...