Dinorwic, also spelled Dinorwig, is the anglicised form of the Welsh name Dinorwig, a village in Wales. It may also refer to: Dinorwic quarry, a former slate quarry near Dinorwig, Wales Dinorwic, Ontario, a community in Canada Dinorwic (crater), a crater on Mars, named after the Canadian settlement See also Dinorwig Power Station, a pumped-storage hydroelectric powerstation near Dinorwig in Wales.