OS Maps: Turn to page 19 in your workbook. How to use contours to identify land features.

Glacial Features The features we will look at are: Hill Summit Corrie Tarn or Lochan U-Shaped Valley Arête Hanging Valley

Glacial features Rounded Summit

Corrie with tarn or lochan

U-Shaped valley

Arete (mountian ridge)

Hanging Valley – a smaller valley joining the main valley.

Arete U-Shaped Valley Corrie with a tarn or lochan

V-shaped valley U-shaped valley hanging valley waterfall

Corrie Hill summit Hanging valley U-shaped valley Arête

Map question Give 4 figure grid references for each feature:- 1) Rounded summit 2) Corrie (one with a lochan) 3) Arête 4) U-shaped valley

Examples Rounded Summits: 6701, 7596, 7401 Corries: 6301 Arête: 6301 U-shaped Valley 6896 to 8103