See that U-shaped valley? That’s Lairig Ghru. It was carved out by a glacier, a huge river of ice, during the ice age - just like corries and other glacial features. As glaciers move downhill ...

Around 10,000 years ago as the ice age advance began to melt, glacial deposits or drift were ... which marks the end of an ice sheet or valley glacier, and lateral moraine, which forms at the ...