On Wednesday 29th April 2026, Aberclwyd Manor will be opening from 11am until 4pm for the NGS. Aberclwyd Manor, Derwen, Corwen, Denbighshire, LL21 9SF. This is a four acre garden on a sloping hillside, overlooking the Upper Clwyd Valley. Aberclwyd Manor garden features mature trees and is described as having an abundance of spring flowers. An Italianate garden of box hedging lies below the house and there’s also a pond and an orchard. There will be a plant sale at this opening; for all the details, please click here.