Senjōgahara (戦場ヶ原) is a area in Tochigi Prefecture, Japan, in the city of Nikkō. It is above sea-level.Nikko Travel: Senjogahara Marshland JTB (the largest travel agency in Japan)'s guide

Senjōgahara can be translated as "battlefield", referring to a mythical tale of the gods of Mount Nantai and Mount Akagi fighting for control of Lake Chūzenji.

It lies just to the east of Odashirogahara.

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