Ostravice is a river in Moravian-Silesian Region

Moravian-Silesian Region

Moravian-Silesian Region , or Moravo-Silesian Region, is one of 14 administrative Regions of the Czech Republic, until May 2001 it was formerly called the Ostrava Region . The region is located in the north-eastern part of its historical region of Moravia and in most of the Czech part 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....

. It originates in the Moravian-Silesian Beskids

Moravian-Silesian Beskids

The Moravian-Silesian Beskids is a mountain range in the Czech Republic with a small part reaching to Slovakia. It lies on the historical division between Moravia and Silesia, hence the name...

 and then flows through Ostravice

Ostravice

Ostravice is a village and a popular summer holiday resort in the Moravian-Silesian Region of the Czech Republic under the Moravian-Silesian Beskids to which it serves as a gate....

, Frýdlant nad Ostravicí, Frýdek-Místek

Frýdek-Místek

Frýdek-Místek is a city in Moravian-Silesian Region of the Czech Republic. It is the administrative center of Frýdek-Místek District. It comprises two formerly independent towns, Frýdek and Místek, divided by the Ostravice River...

 and Paskov to Ostrava

Ostrava

Ostrava is the third largest city in the Czech Republic and the second largest urban agglomeration after Prague. Located close to the Polish border, it is also the administrative center of the Moravian-Silesian Region and of the Municipality with Extended Competence. Ostrava was candidate for the...

 where it enters the Oder as its right tributary. It partly forms the border between historical regions Moravia

Moravia

Moravia is a historical region in Central Europe in the east of the Czech Republic, and one of the former Czech lands, together with Bohemia and Silesia. It takes its name from the Morava River which rises in the northwest of the region...

 (left bank) and 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...

 (more precisely Cieszyn Silesia

Cieszyn Silesia

Cieszyn Silesia or Těšín Silesia or Teschen Silesia is a historical region in south-eastern Silesia, centered around the towns of Cieszyn and Český Těšín and bisected by the Olza River. Since 1920 it has been divided between Poland and Czechoslovakia, and later the Czech Republic...

) (right bank).

The river starts as the Ostravice after the confluence of the Bílá Ostravice (i.e., White Ostravice, considered its main source) and the Černá Ostravice (i.e. Black Ostravice). They are both streams flowing through deeply forested valleys which are important access roads to the resorts of Bílá and Bílý Kříž. Ostravice then creates a fresh water reservoir behind Šance Dam

Šance Dam

Šance Dam is a water reservoir and dam in the Moravian-Silesian Beskids mountain range, Moravian-Silesian Region, Czech Republic. The dam is built on upper course of the Ostravice River and has a surface of 3.37 km². It was constructed in 1964-1969 and began operating in 1974. Part of the...

, for the industrial region around Ostrava

Ostrava

Ostrava is the third largest city in the Czech Republic and the second largest urban agglomeration after Prague. Located close to the Polish border, it is also the administrative center of the Moravian-Silesian Region and of the Municipality with Extended Competence. Ostrava was candidate for the...

 finished in 1970. It has an area of and a high and long rockfill dam.

The Ostravice then flows through the rolling hills region between Ostravice

Ostravice

Ostravice is a village and a popular summer holiday resort in the Moravian-Silesian Region of the Czech Republic under the Moravian-Silesian Beskids to which it serves as a gate....

 and Frýdek-Místek

Frýdek-Místek

Frýdek-Místek is a city in Moravian-Silesian Region of the Czech Republic. It is the administrative center of Frýdek-Místek District. It comprises two formerly independent towns, Frýdek and Místek, divided by the Ostravice River...

and finally through the lowlands of the highly industrial Ostrava basin.