The pond is shallow and a boundary line between a pond and the land curves in a complicated manner, and the bottom of the pond is embedded with round stones and large stones are arranged around the edge of the pond, which suggests the gardening technique of the Nara period and the garden of the tim, when it was produced.
池の水深は浅く汀線が複雑に湾曲しており、池底に玉石を敷き池縁に石を立てるなど、奈良時代の作庭技法と当時の庭園の様子を伺うことができる。