Port Cornwallis is a port situated on Ross Island, near Port Cornwallis, on the summit of Bopung Hill at the entrance of Aerial Bay.off the northeast coast of North Andaman. The unmanned lighthouse was commissioned in 1973. 10-meter square masonry tower Painted White color scheme and has a LED flasher light powered by battery and solar panel. Accessibility to this lighthouse is only by sea route, commute by departmental vessel or any chartered vessel upto anchorage Point then use mechanised dinghy upto shore further 5 Km walk through forest and hilly terrain