Vistula Lagoon Vistula Lagoon The Vistula Lagoon (; or "Kaliningradskiy Zaliv"; ; ) is a brackish water lagoon on the Baltic Sea roughly 56 miles (90 km) long, 6 to 15 miles (10 to 19 km) wide, and up to 17 feet (5 m) deep, separated from Gdańsk Bay by the Vistula Spit. It is now known as the Vistula Bay or Vistula Gulf. The modern German name, "Frisches Haff", is derived from an earlier form, "Friesisches Haff". The lagoon is a mouth of a few branches of the Vistula River, notably the Nogat, and the Pregolya River. It is connected to
Glenrock Lagoon Ave (Adamstown) to Kahibah Station, Burwood Road (Kahibah) by 2004; Kahibah Station, Burwood Road (Kahibah) to Oakdale Road (Redhead) by 2009; and Oakdale Road (Redhead) to Belmont 2015. Glenrock Lagoon has been for over a century a recreational area for the people of Newcastle and Lake Macquarie. Glenrock State Conservation Area was declared a protected area in 1986. Within the catchment are the following suburbs – Adamstown Heights, Merewether Heights, Highfields, Kahibah, Charlestown, Whitebridge. However, Kahibah is the only suburb that is totally within the catchment area. Glenrock Lagoon Glenrock Lagoon, an intermediate freshwater small coastal creek, is located within