It borders the [[Solway Firth]], plus the Scottish counties [[Dumfriesshire]] and [[Roxburghshire]], to the north. It mainly borders [[Northumberland]], the other English border county, to the east, with a shorter border with [[County Durham]]. To the south, Cumberland mainly borders [[Westmorland]], bordering the Furness peninsular of [[Lancashire]] along the River Duddon to the south east. | It borders the [[Solway Firth]], plus the Scottish counties [[Dumfriesshire]] and [[Roxburghshire]], to the north. It mainly borders [[Northumberland]], the other English border county, to the east, with a shorter border with [[County Durham]]. To the south, Cumberland mainly borders [[Westmorland]], bordering the Furness peninsular of [[Lancashire]] along the River Duddon to the south east. |