Koh Rong Lighthouse is located on Koh Rong Samloem Island in Cambodia. The Lighthouse was built by the French to signal the ships when Koh Rong Samloem island served as a prominent port. It is a popular hiking spot among the tourists visiting Koh Rong Sanloem for its viewpoints offering beautiful bird views of the coast of the Gulf of Thailand. It is a long but easy hike with clear trails to reach the Lighthouse, and it is worth visiting the place when you are traveling in Koh Rong Sanloem.