Upland mass, northern England. The Pennines extend south from Northumberland to Derbyshire; the highest point is Cross Fell, at 2,930 ft (893 m). Water action has developed underground caverns in the uplands' limestone, which is extensively quarried. Sheep farming is also important. Archaeological remains in the area include the ancient Roman Hadrian's Wall.
This entry comes from Encyclopædia Britannica Concise.
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