Located in northern part of Ohno dam, this is the oldest existing private house, which clearly shows the generation. Built in 1650, it was designated as an important cultural property in 1972. Ishidas acted as the village headman of the group of Sonobe clan Kashiwara Murakami, settled as the highest position in the Ohara Shrine group, and it is thought that it was the class of village officials from early days of Edo (Earliest 16th Century). This is the most valuable private house, which kept the oldest form as Kitayama model house distributed over the eastern part of Tamba around former Kitakuwada-gun. It is opened for internal visit on weekends throughout spring to fall. There are furnace and old tools, which you can observe the old life in Japan.