Opir (river)

Source: Wikipedia, the free encyclopedia.
Opir
The Opir River near Hrebeniv, 2008
Native nameО́пір (Ukrainian)
Location
CountryUkraine
OblastLviv Oblast
Physical characteristics
Source 
 • locationnear Oporets [uk][1]
 • coordinates48°47′49.6″N 23°17′14.3″E / 48.797111°N 23.287306°E / 48.797111; 23.287306
 • elevation975 m (3,199 ft)
MouthStryi
 • location
near Verkhnie Synovydne[2]
 • coordinates
49°06′45.0″N 23°35′40.9″E / 49.112500°N 23.594694°E / 49.112500; 23.594694
 • elevation
370 m (1,210 ft)
Length58 km (36 mi)[3]
Basin size843 km2 (325 sq mi)[3]
Basin features
ProgressionStryi→ Dniester→ Dniester Estuary→ Black Sea
Tributaries 
 • left
 • right

The Opir River (Ukrainian: О́пір) is located in Ukraine, within Stryi Raion of Lviv Oblast. It is a right tributary of the river Stryi (Dniester basin).

Geography

The Opir River originates on the eastern slope of Velykyi Yavirnyk Mountain (

Stryi River between the town of Verkhnie Synovydne and the village of Mezhybrody
.

The Opir is 58 kilometres (36 mi) long, with a basin size of 843 km2 (325 sq mi).

V-shaped valley, with a width varying between 150 m (490 ft) and 300 m (980 ft) in the lower reaches.[3] The floodplain is bilateral, sometimes unilateral, with a width ranging from 30 metres (98 ft) to 425 metres (1,394 ft). The shores are steep and occasionally swampy. The stream bed is rocky, with a width of 10 metres (33 ft) to 80 metres (260 ft), and a depth of 0.2 metres (7.9 in) to 1.2 metres (3 ft 11 in). The bottom is usually lined with pebbles
of Carpathian sandstones. The river supplies water for settlements and for the irrigation of agricultural lands.

Recently, the river has become popular among tourists who go rafting.[4]

Tributaries

Eight small rivers and 31 streams with a total length of 94.3 kilometres (58.6 mi) and an area of 21.9 hectares (54 acres) flow into the river.

Settlements

Several settlements are located on the river (in order from the

Dubyna, Verkhnie Synovydne
.

Gallery

  • Opir river valley (view from the Zelemyanka ridge [uk]).
    Opir river valley (view from the Zelemyanka ridge [uk]).
  • Railway bridge on the Opir.
    Railway bridge on the Opir.
  • Opir in winter.
    Opir in winter.

References

  1. ^
    doi:10.3997/2214-4609.2020geo014
    .
  2. ISBN 9780231145541
    .
  3. ^ a b c d e Anna Hryhorivna Lutsyk, Pavlo Volodymyrovych Bosak (2019). "Антропогенне забруднення річок смт. Славське" [Anthropogenic pollution of rivers in the town of Slavske] (PDF). Проблеми та перспективи розвитку системи безпеки життєдіяльності (in Ukrainian): 163–165.
  4. ISSN 2617-2909
    .

External links

Wikimedia Commons has media related to Opir (river).
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