円明寺の敷地内に存在する通称「小南湖」と呼ばれる一帯。
江戸時代に白河藩歴代藩主の菩提寺などが置かれた場所である。
初代藩主の丹羽長重の墓や廟所をはじめ、元禄から享保期の藩主、松平直矩・基知父子や、
元禄期の藩主、松平忠弘の子、清照の墓がある。
明治43年（1910）ごろに池の改修や桜・楓の植栽などが行われ、公園として整備された。
----English-------------------------------
This area is commonly known as Konanko,
which is located on the grounds of Emyoji Temple.
This is the place where bodhi temples of successive lords
of the Shirakawa Domain were placed in the Edo period.
In addition to the tombs and shrines of the first lord, Niwa Nagashige,
the lords of the Genroku to Kyoho period, Naonori Matsudaira, and Motochichi-son,
There is a tomb of Kiyoteru, the child of Tadahiro Matsudaira, the lord of the Genroku period.
Around 1910, the pond was renovated and cherry blossoms and cherry blossoms were planted,
and it was maintained as a park.