Poronay River

BW

The Poronai (Russian Поронай ) is the longest river with 350 km on Sakhalin Island in Russia's Far East.

The Poronai rises in the central part of the island on the west flank of there over 1100 meters Nabilski - comb, which belongs to the eastern Sachalingebirge. It flows for several kilometers to the north, then west and reaches the Tym - Poronai lowland that extends through the entire northern and central part of the island and separates the Eastern from the Western Sachalingebirge. The Poronai strongly meandering flows through the 30 to 50 kilometers wide, swampy lowlands to the south until it empties in the city named after him Poronaisk in the Terpenija Bay ( "Patience Bay ") of the Okhotsk Sea. Good 15 km above the mouth of the Tees estuary smaller Taranka (also Kjonga ) from which opens 6 km northeast of the main arm in the Terpenija Bay.

The catchment area of the river covers 7990 km ² .. The most important tributaries flow into the Poronai from right: Onorka (length 77 km), Orlowka (83 km) and Leonidovka (95 km). The longest left tributary is the Schitniza (61 km).

The outflow of Poronai is the year 120 m³ / s The river freezes from November to April, after which he leads by June floods. He is a spawning ground for salmon fish.

The Poronai flows through the city circles Tymowskoje, Smirnych and Poronaisk of Sakhalin Oblast. Immediately the river there, with the exception of Poronaisk due to the swampy terrain no larger villages. The right side of the valley, however, follow in 3 to 20 kilometers from the river, the narrow-gauge railway line ( Cape gauge 1067 mm) Yuzhno -Sakhalinsk - Nogliki, the main line of the former Sakhalin Railway, as well as the regional road R487, the Sakhalin Island also in North south direction crosses. The middle reaches of the river crossing on the only bridges the street and around 1990 also converted by the track width 750 mm to Cape gauge railway line Pobedino - Pervomaisk.