This video tackles a tricky aspect of physical geography. In the middle of U-shaped valleys that have been carved by glaciers, we often find small hills between 2 m and 100 m tall. These hills are called drumlins. But how do they form?
Geography course links
GCSE • A-level • National 5 • Higher • IB • Leaving Certificate
Developed by Rob Parker and Richard Waller.
Filmed by Vratislav Karas.
Edited by Rob Parker and Vratislav Karas
Thank you to Thorbjorg (Tobba) Agustsdottir for the Icelandic lava footage.