Trentabank is the uppermost of four reservoirs that collect water from the hills at the head of the River Bollin, and water from Trentabank and Ridgegate supplies Macclesfield with the town's drinking water.
Trentabank is the highest of four reservoirs that gather water from the hills at the head of the River Bollin, and Trentabank and Ridgegate supplies Macclesfield with its drinking water.