It’s a great glen. It was born out of a dramatic tectonic collision that raised the Scottish Highlands and formed a giant crack in the landscape that led to Scotland’s longest inland waterway.

Andrew Marr takes to the sky in a microlight over a giant crack that runs the length of Scotland: the Great Glen Fault. It is the result of a collision between two continents and is a geological ...

Scotland - and The Great Glen - lie on the Great Glen fault. A fault is where two tectonic plates meet. The other half of this one is in Canada! ISLA: Well, fold mountains like these are created ...