During the Edo period, there were many samurai residences standing northwest of Kamiyama Castle. Even now, four samurai residences remain on the street, retaining the image of the clan government. The thatched-roofed, hook-shaped bends building is presumed to have been built in the early 19th century, and features a samurai-middle-gate style of architecture with different entrances and entrances. There are houses where the descendants live, but only the Sanwha family can be toured inside.

It is maintained as a green city park friendly to the global environment. Inside the park, there are indoor multi-purpose courts (4) that can be used for tennis futsal, etc., outdoor tennis courts (8), campsites (13 lots), large play equipment for children to play with peace of mind, Jabujabu pond, and footbath using geothermal heat, set up a square where you can have a potato party (barbecue).

山形名物のしそ巻・まんじゅう・地酒のほか、おみやげ品が多数並ぶ。