The garden is connected through the adjacent garden to the teahouse named 'Raiya-ken' built in 1848 at the will of Shuza (the leader of priests), who was a disciple of third Urasenke (a tea school) master SEN no Sotan.
また、弘化5年（1848年）、裏千家三代千宗旦弟子首座の好みで作られた茶室「来也軒」に露地で通じている。