
Guide
The Former Yamauchi Family Lower Residence Nagaya is a samurai-class row house (nagaya) located in Kochi City, Kochi Prefecture, which preserves the architectural style of the late Edo period. Designated as a National Important Cultural Property, it is one of the few remaining authentic examples of this type of residence in Japan. Originally built as a residence for low-ranking samurai (ashigaru) within the lower estate of the Yamauchi family of the Tosa Clan, it now serves as an exhibition hall. Visitors can explore a variety of artifacts that illustrate the daily lives of both Tosa clan samurai and commoners during the transition from the late Edo to the Meiji era.
This structure is believed to have been constructed in 1866 (the first year of the Genji era) when seven samurai-style residences were requisitioned to serve as the lower estate (Minami-oya Yashiki) for Yamauchi Yodo, the 15th lord of the Tosa Clan. At that time, it functioned as lodging for the low-ranking samurai responsible for guarding the estate. While the site underwent changes during the Meiji era—including expansions to serve as the main residence for the Yamauchi family—it is now meticulously preserved as a historical monument. The surrounding area, once the site of the Yamauchi family's lower estate, has been developed into hotels and parks, but this nagaya remains a vital symbol of the region's samurai culture.
The museum focuses on exhibits that convey the culture and lifestyle of the era. The first floor features five rooms and a dirt-floor area (doma), displaying exquisite art such as landscape screens by Haruki Nanmei and ceramics like the Nohchayama ware flower vases, alongside furniture and household tools from the late Edo and Me-iji periods. On the second floor, a special exhibition area showcases a model of the "Yugao-maru," a ship of the Tosa Clan, and information panels regarding 40 significant figures related to Tosa. The architecture itself, a two-story wooden structure with an irimoya-style roof, is a valuable historical resource in its own right.
The exhibition hall is open year-round. We recommend visiting during the daytime when natural light makes it easier to observe the intricate details of the architecture and the textures of the exhibits. Since the collection is primarily displayed indoors, you can enjoy the historical atmosphere regardless of the weather outside. It is a perfect way to spend a quiet afternoon immersing yourself in the craftsmanship of the past.
Visitors can gain a tangible connection to history by viewing tools and implements that were actually used by samurai and commoners. Through the display of Japanese boat models, period furniture, and folding screens, you can witness the cultural side of Tosa during the turbulent late Edo period. Simply observing the structural design of the building itself is a profound way to experience the architectural history of the region.
Located in the heart of Kochi City, the site is surrounded by several historical landmarks. Nearby attractions include Kochi Castle, Futsuyama Park (the site of the Yamauchi family graves), and Yamauchi Shrine. You can also plan a historical walking route that includes the Kagami River scenery, the Tosa Yamauchi Family Treasure Museum, and the Kochi City Ryoma Birthplace Memorial Museum.
As this is a historic wooden building, please be mindful of your footing and follow all local guidelines to protect the structure.