Tipner Lake forms the north eastern section of

Portsmouth Harbour Portsmouth Harbour is a / biological Site of Special Scientific Interest between Portsmouth and Gosport in Hampshire. It is a Ramsar site and a Special Protection Area. It is a large natural harbour in Hampshire, England. Geographically it ...

. It is not an actual

lake A lake is often a naturally occurring, relatively large and fixed body of water on or near the Earth's surface. It is localized in a basin or interconnected basins surrounded by dry land. Lakes lie completely on land and are separate from ...

, but the reclamation of land north of

Horsea Island Horsea Island was an island located off the northern shore of Portsmouth Harbour, England; gradually subsumed by reclamation, it is now connected to the mainland. Horsea falls within the city of Portsmouth and was wholly owned by the Minist ...

and the building of the M275 motorway in the early 1970s, which passes over a bridge to the west of the lake, can give the impression the body of water is no longer connected to the harbour. The lake is also connected to Portsbridge Creek. Much of the lake is a

site of special scientific interest A Site of Special Scientific Interest (SSSI) in Great Britain, or an Area of Special Scientific Interest (ASSI) in the Isle of Man and Northern Ireland, is a conservation designation denoting a protected area in the United Kingdom and Isle ...

as well as being a

Ramsar wetland of international importance Ramsar may refer to: * Places so named: ** Ramsar, Mazandaran, city in Iran ** Ramsar, Rajasthan, village in India * Eponyms of the Iranian city: ** Ramsar Convention The Ramsar Convention on Wetlands of International Importance Especially ...

. The site also falls within the Portsmouth Harbour special protection area. Moves to reclaim the land to provide extra space for the expansion of

Portsmouth Portsmouth ( ) is a port city status in the United Kingdom, city and unitary authority in Hampshire, England. Most of Portsmouth is located on Portsea Island, off the south coast of England in the Solent, making Portsmouth the only city in En ...

were rejected in the early 1990s on environmental grounds. The lake is home to the Richard Farrington "Jack Star" sculpture which was installed in late 2000.

References

Portsmouth Bodies of water of England {{Hampshire-geo-stub