Glenprosen, often abbreviated to 'Prosen', nestles between Isla and Clova, and above that again, the watershed of Glen Isla links to Glen Esk.
There is no road through to the north, only hill tracks. But motorists can make a circular route from Kirriemuir by coming up the glen via Cortachy, crossing the Prosen river at Spott, and descending again via Pearsie.

Geographically far smaller than Esk and Isla, it has a very distinct and intimate character.