Printed from: https://conservationhandbooks.com/dry-stone-walling/technical-walling/walls-on-undulating-ground/
Generally the height of a wall follows the profile of the ground. However, walls on undulating ground, especially significant walls such as estate boundaries, may be ‘evened up’ for better appearance. To keep the wall stockproof all along its length, the wall height is increased in the hollows. This requires extra stone, so adding to...