The hills are made up of numerous drumlins that make up the countryside. At the bottom of the valleys that many of these drumlins form, glens can be found with many tributaries of the River Blackwater flowing through them.
The hills are composed of numerous drumlins that comprise the landscape. At the bottom of the valleys where many of these drumlins converge, glens can be found with numerous tributaries of the River Blackwater flowing through them.