サンベルナルジノ海峡
Batag Island Lighthouse is a historic lighthouse on Batag Island off the coast of the town of Laoang in the province of Northern Samar in the Philippines. The light marks the northeastern point of Samar Island and lead international ships to the entrance of the San Bernardino Strait marked by the San Bernardino Light. One of the most traveled waterways in the archipelago, together with the Capul Island Light, these stations are invaluable to vessels coming from the Pacific Ocean and entering the country through the San Bernardino Strait on its way to Manila or any other ports of the Philippines.