Mitake shrine
Mitake shrine is an branch shrine, outside Nakatsugū, located on top of Mount Mitake. It is devoted for Amaterasu-ōmikami and Tagitsuhime-no-kami-no-aratama. It is regarded as the "Okumiya", rear shrine, of Nakatsugū and also called "Mitakegū". Nearby there is the Mitake-san remains, the remains of ancient ritual ceremonies similar to the ones held on the island of Okinoshima, and the site is said to be where the Nakatsugū originated.
Mount Mitake viewing point
Mount Mitake viewing point is located on Ōshima's highest mountain Mount Mitake, which is 224m high. When the weather is fine, it has a fine view of the islands on the Genkai sea, such as Okinoshima and Ikinoshima, the mountains of mainland Kyūshū and in the distance Fukuoka Tower and Fukuoka Dome in Fukuoka city.
The remains of a coast-battery and Wind mill viewing point
In the north part of Ōshima, there are the remains of Ōshima coast-battery, a part of Shimonoseki Fortress, built in 1935. The remains of what used to be an observation station, an ammunition depot and some cannon emplacements can be seen. From these remains, a windmill standing on the hill, against the Genkai sea can be seen, and it is the best viewpoint in the island.
The Wind mill viewing point is about a 5 minute walk from the remains of the coast-battery, and it has a great view too.
Batei-iwa
At Kanzaki-bana, the west end of the island of Ōshima, there is a rock with horseshoe-shaped patterns called Batei-iwa. These horseshoe-shaped patterns are told to be the horse footprints when Tagorihime-no-kami, one of the three goddesses, jumped to Okinoshima.
It is located about 200m from Chikuzen Ōshima lighthouse by an unpaved and rugged path. Be aware It is also a cliff without any fencing.