Ostravice River

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Ostravice
River
 Šance Dam
Šance Dam
Country Czech Republic
Region Moravian-Silesian
Length 64 km (40 mi)
Watershed 827 km² (319 mi²)
Discharge mouth
 - average 12.7 /s (448 ft³/s)
 - maximum 933 /s (32,949 ft³/s) 933
Primary source Bílá Ostravice
 - location Moravian-Silesian Beskids
 - coordinates 49°24′26″N, 18°22′14″E
 - elevation 900 m (2,953 ft)
Other source Černá Ostravice
 - coordinates 49°29′51.5″N, 18°32′32.5″E
 - elevation 900 m (2,953 ft)
Source confluence
 - coordinates 49°27′17.3″N, 18°28′3″E
Mouth Oder River
 - location Ostrava
 - coordinates 49°52′10″N, 18°17′1″E
 - elevation 190 m (623 ft)
Major tributaries
 - left Čeladenka
 The Ostravice from its two sources until its confluence with the Oder (magenta) and its watershed
The Ostravice from its two sources until its confluence with the Oder (magenta) and its watershed

Ostravice (Polish: Ostrawica, German: Ostrawitza) is a river in Moravian-Silesian Region, Czech Republic. It originates in the Moravian-Silesian Beskids and then flows through Ostravice, Frýdlant nad Ostravicí, Frýdek-Místek and Paskov to Ostrava where it enters the Oder as its right tributary. It partly forms the border between historical regions Moravia (left bank) and Czech Silesia (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. The Ostravice then creates Šance dam lake, a fresh water reservoir for the industrial region around Ostrava finished in 1970. It has has an area of 335 km² (129 mi²) and a 65 m (213 ft) high and 342 m (1,122 ft) long rockfill dam.

The Ostravice then flows through the rolling hills region between Ostravice and Frýdek-Místek and finally through the lowlands of the highly industrial Ostrava basin.

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