Niihara-Nuzan mound group

It is located within the Genkai National Monument. It is well known for its beautiful seashore of white-sand blue pine trees. It is also known for its beautiful setting sun. At low tide from the spring tide to the middle tide, the sandy beach reflects the sky.

Located to the west of the Itoshima Peninsula, this is one of Japan's largest basalt caves (natural monument) and is celebrated in the Hakata Bay song. At an elevation of 64 meters and a length of 180 meters, the cliffs at the cape have been eroded by rough waves, creating a large cave that is 90 meters deep, 2 to 10 meters wide, and 8 meters high from the sea surface. Above the cape, a promenade leads to the Akuyama Oomoto Park. Visitors can explore the cave via a sightseeing boat that operates only from March to December (Phone: 092-328-2012, Fee: 700 yen, Duration: 30 minutes).

A collective term for the burial mounds scattered on the hills facing the Genkai. Over a wide range of about 8km north-south and about 2km east-west, the Katsuura Kogen mound, Katsuura Minohata mound, Niihara/Nuyama mound, Sudata mound, Miyachi Takekoko mound, Temitsu Wagiri mound, etc. It consists of a total of 60 groups of one mass. It is designated as a national historic site except for some. The tumuli were built in the 5th to 7th centuries. The tomb group of the Munakata clan, an ancient royal family who nurtured their faith in Okinoshima. Among them, the Niihara-Nuyama Kofun group is registered as a constituent asset of the World Heritage Site "" Kamijuku Ruru Island "Munakata, Okinoshima and Related Heritage Group".