Associated British Ports Holdings owns and operates the Port of Barrow which can berth vessels up to long and with a draught of . The four main docks include Buccleuch Dock, Cavendish Dock, Devonshire Dock and Ramsden Dock, with the latter handling almost all of the port's cargo. Buccleuch and Devonshire Docks are utilised primarily by BAE Systems, while Cavendish Dock the largest by surface area is now a reservoir. Principal traffic includes the export of condensate by-product from the production of gas at the Rampside Gas Terminal, wood pulp and locally quarried limestone which is exported to Scandinavia for use in the paper industry. The port, which has deep water access, also handles the shipment of nuclear fuels and radioactive waste for BNFL's nearby Sellafield plant.