The Solway Firth is a firth

Firth

Firth is the word in the Lowland Scots language and in English used to denote various coastal waters in Scotland and England. In mainland Scotland it is used to describe a large sea bay, or even a strait. In the Northern Isles it more usually refers to a smaller inlet...

 that forms part of the border between England and Scotland

Anglo-Scottish border

The Anglo-Scottish border is the official border and mark of entry between Scotland and England. It runs for 154 km between the River Tweed on the east coast and the Solway Firth in the west. It is Scotland's only land border...

, between Cumbria

Cumbria

Cumbria , is a non-metropolitan county in North West England. The county and Cumbria County Council, its local authority, came into existence in 1974 after the passage of the Local Government Act 1972. Cumbria's largest settlement and county town is Carlisle. It consists of six districts, and in...

 (including the Solway Plain

Solway Plain

The Solway Plain is a low-lying coastal plain in the northwest of Cumbria, England. It is an area generally lying north and west of Carlisle along the Solway Firth and drained by the rivers Esk and Lynne. This geographic unit is associated with the westernmost part of Hadrian's Wall. In medieval...

) and Dumfries and Galloway

Dumfries and Galloway

Dumfries and Galloway is one of 32 unitary council areas of Scotland. It was one of the nine administrative 'regions' of mainland Scotland created in 1975 by the Local Government etc. Act 1973...

. It stretches from St Bees

St Bees

St Bees is a village and civil parish in the Copeland district of Cumbria, in the North of England, about five miles west southwest of Whitehaven. The parish had a population of 1,717 according to the 2001 census. Within the parish is St...

 Head, just south of Whitehaven

Whitehaven

Whitehaven is a small town and port on the coast of Cumbria, England, which lies equidistant between the county's two largest settlements, Carlisle and Barrow-in-Furness, and is served by the Cumbrian Coast Line and the A595 road...

 in Cumbria, to the Mull of Galloway

Mull of Galloway

The Mull of Galloway is the southernmost point of Scotland. It is situated in Wigtownshire, Dumfries and Galloway.A lighthouse is positioned at the point . Built in 1830 by engineer Robert Stevenson, the white-painted round tower is high...

, on the western end of Dumfries and Galloway. The Isle of Man

Isle of Man

The Isle of Man , otherwise known simply as Mann , is a self-governing British Crown Dependency, located in the Irish Sea between the islands of Great Britain and Ireland, within the British Isles. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann. The Lord of Mann is...

 is also very near to the firth. The firth comprises part of the Irish Sea

Irish Sea

The Irish Sea separates the islands of Ireland and Great Britain. It is connected to the Celtic Sea in the south by St George's Channel, and to the Atlantic Ocean in the north by the North Channel. Anglesey is the largest island within the Irish Sea, followed by the Isle of Man...

.

The coastline is characterised by lowland hills and small mountains. It is a mainly rural area with fishing

Fishing

Fishing is the activity of trying to catch wild fish. Fish are normally caught in the wild. Techniques for catching fish include hand gathering, spearing, netting, angling and trapping....

 and hill farming

Hill farming

Hill farming is extensive farming in upland areas, primarily rearing sheep, although historically cattle was often reared more intensively.Cattle farming is usually restricted by a scarcity of winter fodder, and sheep stocks, grazing at about 2 hectares per head, are often taken to lowland areas...

 (as well as some arable farming) still playing a large part in the local economy, although tourism is increasing.