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Eco Museum Sekigahara

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.

Hours: Closed · opens 9 am
Weekly hours
Mon 9 am–5 pm
Tue 9 am–5 pm
Wed 9 am–5 pm
Thu 9 am–5 pm
Fri 9 am–5 pm
Sat 9 am–5 pm
Sun 9 am–5 pm
Price: Free
Website: eco-museum-sekigahara.com (opens in a new tab)

Mon	9 am–5 pm
Tue	9 am–5 pm
Wed	9 am–5 pm
Thu	9 am–5 pm
Fri	9 am–5 pm
Sat	9 am–5 pm
Sun	9 am–5 pm

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Listing from Wikivoyage: Sekigahara, CC BY-SA 4.0.

Updated 28 Sept 2026. Something wrong? Tell us.

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Grave of Okudaira Sadaharu
奥平貞治の墓
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.
See
Sekigahara Limestone Cave
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.
Hours vary by month. Closed Wed, except on holidays and open everyday in August¥700
See
Ōtani Yoshitsugu's Grave
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.
See
Sekigahara War Land
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.
Closed · opens 10 am¥800 (¥500 in winter)