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 an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much large ...

, 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 Ministr ...

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 as well as being a

Ramsar wetland of international importance This is the list of Wetlands of International Importance as defined by the Ramsar Convention for the conservation movement, conservation and sustainable use of wetlands, recognizing the fundamental ecological functions of wetlands and their econom ...

. 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 and city in the ceremonial county of Hampshire in southern England. The city of Portsmouth has been a unitary authority since 1 April 1997 and is administered by Portsmouth City Council. Portsmouth is the most dens ...

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