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.
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Local history covering 6 eras from prehistoric to contemporary.
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.
国指定史跡 関ヶ原古戦場 開戦地
A marker dedicated to where the first shots of the battle were fired. It also has benches and information boards that detail the order of battle and positions.
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.
Higashi and Nishi Kubizuka
On opposite sides of the train tracks, two shrines commemorate the sites where two large mounds of the severed heads of fallen soldiers were buried. As per traditional Japanese concepts of reverence for the dead, these shrines are dedicated to all who fell in the battle, not solely forces of one side.
床几場 Shōgiba
Also called "Tokugawa's Final Encampment", this is the spot where Tokugawa Ieyasu held a council meeting after the end of the battle and was presented with the decapitated heads of the enemy's leaders. A small shrine marks the spot.