Glacial+Landforms+on+a+map



There are some characterisitic features of landforms that you have to be able to recognise from OS map extracts. Below are some of the key feaures you need recognise:




 * __Glacial Trough__**

U-shaped valleys are easy to find on an O.S. map (provided that you know the map extract is a glaciated upland). Look for the steep valley sides – indicated by the closeness of the contours. The valley sides should be roughly straight and parallel. The flat valley floor is easily identified – it usually has few contours and will look ‘white’. The valley floor may be occupied by a ribbon lake or a misfit stream.

__**Aretes**__




 * __Pyramidal Peaks__**


 * __Hanging Valley__**