A leader who fought under the traitor Kobayakawa. He died while attacking Otani Yoshitsugu's army. The grave was built here by one of his descendants.
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エコミュージアム関ケ原
A small museum featuring exhibits about the flora and fauna found in western Gifu Prefecture. The exhibits are interactive and fun for children.
関ケ原ウォーランド
While it's not a historic site, War Land is an open-air recreation of the Battle of Sekigahara. It includes encampments with the famous leaders marked so you can take pictures with your favorites. They also have samurai armor rentals for an additional fee so you can take pictures in the battlefield as a fighter. Armor rentals are not available in the summer due to the high risk of heat stroke. Just outside of War Land, they often host other events, such as summer umbrella (hanagasa) displays and cosmos flower viewing in the autumn.
大谷吉継の墓 Ōtaniyoshitsugu no haka
One of the westernmost memorial markers in the town, this spot marks both the encampment and final burial site of Ōtani Yoshitsugu, one of the Western Alliance's main commanders. When he realized the defections of Kobayakawa Hideaki and others and the increasingly small likelihood of Western victory, he committed seppuku, or ritual suicide. Best reached by bicycle (although it is within walking distance, it just takes longer to get to than most other sites), but the final stretch up the mountain must be walked.
笹尾山 Sasao yama
To the north of the town on a small hill that offers a commanding view of both the town and the battlefield. This is where Ishida Mitsunari, Tokugawa Ieyasu's main opponent and leader of the Western Alliance at the battle, based his camp. Two rows of wooden palisades flank the base of the hill, and a stairpath allows visitors to walk up to the memorial at the top. Can easily be seen from the observation deck of the Gifu Sekigahara Battlefield Memorial Museum, as well as from most of the town.
宇喜多秀家陣跡
Ukita Hideie from Bizen Province (present-day Okayama), served as Vice Commander of the Western army, and brought the largest army on the Western Front, consisting of over 17,000 soldiers. Hideie was able to escape the battle and travel all the way to Satsuma Province (Kagoshima) before eventually being apprehended. He was spared a death sentence but was exiled to Hachijojima where he spent the rest of his life.
関ケ原鍾乳洞
A 518-meter-long cave that maintains a temperature of 15 °C (59 °F) all year round. The cave has many stalagtites and stalagmites, some of which have been noted and named for their unique appearances, such as "The Giant's Foot" (巨人の足) which really does look like a giant leg and foot. It also contains fossils and there are trout in the river that runs through it. The pathway is flat and has no stairs, so it's known for being a good cave for families with younger children.