Oldham Bolton Wigan Salford
Rochdale Bolton Altrincham Bury
3.4 million 1.8 million 1.2 million 2.4 million
Chilterns North Downs South Downs Pennines
Yorkshire Dales Peak District Lake District Dartmoor
Lancashire Staffordshire Cheshire Merseyside
Merseyside Lancashire Derbyshire W .Yorks Cheshire Derbyshire W .Yorks Lancashire