Neva River (Tuchkov Bridge)
The Neva flows from Lake Ladoga and flows into the Gulf of Finland. The length of the river is 74 km; its width varies from 1.3 km to 250 m, the narrowest part of the channel is located at Cape Svyatki (1343.8 km). The Neva River begins with two branches, flowing around the small oblong island of Oreshek, or Orekhovy. The length of the river is 74 km.
Address:
St. Petersburg, Tuchkov bridge
The source of the river is separated from the Shlisselburg Bay by a wide sandbank, which is a complex system of sand shoals and banks with stones and huge boulders scattered everywhere, forming in places continuous ridges.
In plan, the sandbank looks like a tapering funnel with Oreshek Island at the top. The sandbank blocks the bay from north to south.
The depth of the shallows is insignificant. In 1908-1908
To improve navigation conditions, an artificial depression was made through the sandbank, called the Koshkinsky fairway. Within the bay, the fairway, 8 km long, consists of four bends; it begins at Oreshek Island and ends near Cape Koshkin. The flow of water on the shallows is always directed towards the Neva, but its flow becomes noticeable to the eye only on the Koshkinsky fairway, 2-4 km from Oreshek Island.
When approaching Oreshek Island, the main flow of water rushes into the right channel, but, encountering a sandbank near the right bank, it turns left and presses against the stone dam protecting the entrance to the Novo-Ladoga Canal. Here, at the head of the dam, the flow is compressed, and the flow speed increases sharply. And below the river bed widens, but here it is occupied by the rocky Sheremetyevskaya shoal along the right bank. The left channel is even deeper than the right; the approach to it from the lake is blocked by a sandbank. (Information from the website lenv.ru)
In plan, the sandbank looks like a tapering funnel with Oreshek Island at the top. The sandbank blocks the bay from north to south.
The depth of the shallows is insignificant. In 1908-1908
To improve navigation conditions, an artificial depression was made through the sandbank, called the Koshkinsky fairway. Within the bay, the fairway, 8 km long, consists of four bends; it begins at Oreshek Island and ends near Cape Koshkin. The flow of water on the shallows is always directed towards the Neva, but its flow becomes noticeable to the eye only on the Koshkinsky fairway, 2-4 km from Oreshek Island.
When approaching Oreshek Island, the main flow of water rushes into the right channel, but, encountering a sandbank near the right bank, it turns left and presses against the stone dam protecting the entrance to the Novo-Ladoga Canal. Here, at the head of the dam, the flow is compressed, and the flow speed increases sharply. And below the river bed widens, but here it is occupied by the rocky Sheremetyevskaya shoal along the right bank. The left channel is even deeper than the right; the approach to it from the lake is blocked by a sandbank. (Information from the website lenv.ru)
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