Furthermore, there is an opinion that this is evidence that the Kyushu kingdom existed, but it cannot be said that the remains necessarily indicate that Kyokusui no en was in fact held there, which also applies to the case of the Tohoku region.
更には九州王朝が存在した証拠であるとする主張もあるが、東北地方と同じく、遺構は必ずしも曲水の宴が催された証拠とは言えない。