Koiwai House is one of the traditional houses Sakae Ward, Yokohama. It is located in Hongo Fujiyama Park. There are traditional houses zone in this park. This park has a great view of old time mountain in Yokohama and great view of Mt. Fuji.
Unlike other traditional house, this house has a great gate of Samura House.
From Feb. to Mar., the beautiful Hina Dolls will be displayed.