Klyazma

Klyazma
Klyazma River atVyazniki
Map of the Volga watershed with the Klyazma highlighted
Native name	Клязьма(Russian)
Location
Country	Russia
Physical characteristics
Mouth	Oka
• coordinates	56°10′05″N42°58′09″E
Length	686 km (426 mi)
Basin size	42,500 km2(16,400 sq mi)
Basin features
Progression	Oka→Volga→Caspian Sea

TheKlyazma(Russian:Клязьма,IPA:[ˈklʲæzʲmə],Klyaz'maorKliazma), ariverin theMoscow,Nizhny Novgorod,IvanovoandVladimirOblastsinRussia,forms a lefttributaryof theOka.

The 686 kilometres (426 mi) long river'sdrainage basinis 42,500 square kilometres (16,400 sq mi).The Klyazma usually freezes up in November and stays under the ice until mid-April, although in faster-moving stretches ice-free water occurs until the air temperature drops below −10 °C (14 °F).

The largest tributaries of the Klyazma include (from source to mouth):

• Ucha(left)
• Vorya(left)
• Sherna(left)
• Kirzhach(left)
• Peksha(left)
• Polya(right)
• Koloksha(left)
• Nerl(left)
• Sudogda(right)
• Nerekhta(right)
• Uvod(left)
• Teza(left)
• Lukh(left)
• Suvoroshch(right)

The Klyazma is navigable within 120 kilometres (75 mi) from itsestuaryand in the area of the Klyazminskoye Reservoir. The cities ofGorokhovets,Mendeleyevo,Pavlovsky Posad,Vladimir,Kovrov,Shchyolkovo,Losino-Petrovsky,Noginsk,Orekhovo-Zuyevo,SobinkaandVyaznikistand on the shores of the Klyazma River.

The basin of the Klyazma formed the center of theVladimir-Suzdal principalityin the 12th to 14th centuries CE.