no, a clan is like a family or tribe.
Glen
It is a Scottish word for a valley.
a glen?
Glen, from the Gaelic gleann
wynd Glen
Valley
In Scotland valleys are sometimes referred to as Glens.
Glen is the word for a long, narrow valley. It traces its origin to 15th century Scottish Gaelic word Gleann.
A glen is a small isolated valley.
it's a Glen
In standard English, a glen would be described as a valley.
a glen is a valley. more commonly use name in irland and Scotland as in noth America we call a valley or a holler