Lake Lothing is a saltwater lake located in Lowestoft

Lowestoft

Lowestoft is a town in the English county of Suffolk. The town is on the North Sea coast and is the most easterly point of the United Kingdom. It is north-east of London, north-east of Ipswich and south-east of Norwich...

 in the English

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

 county of Suffolk

Suffolk

Suffolk is a non-metropolitan county of historic origin in East Anglia, England. It has borders with Norfolk to the north, Cambridgeshire to the west and Essex to the south. The North Sea lies to the east...

. The lake, which is believed to be the remnant of medieval peat cutting, flows into the North Sea

North Sea

In the southwest, beyond the Straits of Dover, the North Sea becomes the English Channel connecting to the Atlantic Ocean. In the east, it connects to the Baltic Sea via the Skagerrak and Kattegat, narrow straits that separate Denmark from Norway and Sweden respectively...

 and forms part of the Port of Lowestoft

Port of Lowestoft

The Port of Lowestoft is a harbour in Lowestoft in the English county of Suffolk owned by Associated British Ports. It is the most easterly harbour in the United Kingdom and has direct sea access to the North Sea. The harbour is made up of two sections divided by a bascule bridge...

. The area was the major industrial centre of Lowestoft with ship building and other engineering industries, much of which has now closed.

The lake splits Lowestoft in two. It is bridged in the centre of town by a bascule bridge

Bascule Bridge

The Normand Edward Fontaine Bridge is a -long bascule bridge at in Westport, Massachusetts, USA. Four lanes of Route 88 pass over the bridge from Westport Point and Wood Point in the Westport Point section of town to the Horseneck Beach State Reservation, connecting with Cherry & Webb Lane and,...

 and in Oulton Broad

Oulton Broad

Oulton Broad refers to both the lake and the suburb of Lowestoft in Suffolk, England located 2 miles west of the centre of the town.-Oulton Broad:...

 by a vertical lift bridge and a rail swing bridge

Swing bridge

A swing bridge is a movable bridge that has as its primary structural support a vertical locating pin and support ring, usually at or near to its centre of gravity, about which the turning span can then pivot horizontally as shown in the animated illustration to the right...

. Mutford

Mutford

Mutford is a small village and civil parish located south-west of Lowestoft in the English county of Suffolk. The village is located between Lowestoft and Beccles in a rural area south of the A146 at Barnby. Nearby villages include Gisleham and Henstead...

 lock connects Lake Lothing to Oulton Broad from where access to the River Waveney

River Waveney

The Waveney is a river which forms the border between Suffolk and Norfolk, England, for much of its length within The Broads.-Course:The source of the River Waveney is a ditch on the east side of the B1113 road between the villages of Redgrave, Suffolk and South Lopham, Norfolk...

 and the Broads

The Broads

The Broads are a network of mostly navigable rivers and lakes in the English counties of Norfolk and Suffolk. The Broads, and some surrounding land were constituted as a special area with a level of protection similar to a UK National Park by The Norfolk and Suffolk Broads Act of 1988...

 system is gained through Oulton Dyke

Oulton Dyke

Oulton Dyke is a freshwater stretch of water in The Broads National Park, located in Suffolk within the United Kingdom. The dyke connects Oulton Broad near Lowestoft to the River Waveney by means of a confluence near the village of Burgh St Peter....

.