Large-scale maps - 1:1,250 ... and in what direction other features are. For example, you might say: 'This map shows a small village with the river flowing in a meander westward through it.

OS maps show physical and human features as symbols. This makes the maps easier to read. Each OS map has a key to show what the symbols mean. Large-scale maps - 1:1,250, 1:2,500 and 1:10,000.