Syas River

River a few miles above Sjasstroi

Template: Infobox River / Obsolete

The FYSA (Russian Сясь, Finnish Säsjoki ) is a river in northwest Russia.

It rises in the swamps below the western slope of the Valdai Hills in the Novgorod Oblast. The river takes its another run through the Leningrad Oblast and flows about 11 kilometers east of the river Volkhov in the southern Lake Ladoga. Near its mouth it is ( Old and New Ladoga Canal ) with the rivers Svir, Volkhov and Neva directly connected by parallel channels extending to the lake shore, at its middle reaches it stands at Tikhvin Tikhvin through channels with the channel system in conjunction. This provides a navigable route to the Volga. The river forms in the winter months a closed ice cover, navigable again he is from April.

Its length is 260 km with a catchment area of about 7330 km ², its average discharge amount to the lower reaches, 27 km upstream of the mouth, to 53 m³ / s