Horai (teahouse): This teahouse was favored by Ennosai of the Urasenke tea ceremony school and the stone washbasin in the front garden is said to have been brought back to Japan by Kiyomasa KATO on his return from the Imjin War on the Korean Peninsula and given to Tadaoki (Sansai) HOSOKAWA as a gift.
鳳来（茶室）-裏千家・円能斎好みの茶室で、前庭に置かれている蹲踞（つくばい）は朝鮮出兵の際に加藤清正が持ち帰り、三斎に贈られたものと伝わる。