Sawara Townscape, located in Katori City, Chiba Prefecture, developed during the Edo period (1603–1868) as a major inland hub for shipping rice and agricultural goods to Edo (present-day Tokyo) via the Tone River and its tributaries. The town's prosperity gave rise to a dense concentration of merchant houses, mud-walled warehouses called dozo, and plastered storefronts known as misegura, many of which have stood for over 200 years. The historic core along the Ono River was designated a National Important Traditional Building Preservation District in 1996, recognising its integrity as one of the best-preserved Edo-era townscapes in Japan.
Sawara is also the birthplace of Ino Tadataka (1745–1818), the surveyor and cartographer who produced Japan's first complete and scientifically accurate map, the Dai Nihon Enkai Yochi Zenzu, published in 1821 and accurate enough to remain in official use until the mid-1920s. His achievements are commemorated at the Ino Tadataka Museum on the banks of the Ono River, which displays original surveying instruments, maps designated as National Treasures, and exhibits on his methods. His former residence, directly across the river, is a designated National Historic Site and is open to the public.
Visitors typically spend time walking the riverside promenade past traditional buildings, browsing shops selling local sake, soy sauce, and tsukudani (food simmered in sweetened soy sauce), and dining at eel restaurants that have operated for generations. Flat-bottomed boat tours along the Ono River offer a view of the townscape from the water and typically run about one hour. A notable landmark along the canal is the Ja Ja Bridge, from which water flows into the canal on a regular cycle.
The Sawara Grand Festival, held in July at Yasaka Shrine and October at Suwa Shrine, is the town's signature event — a tradition of over 300 years in which elaborately decorated floats carrying large warrior dolls are pulled through the streets to traditional music. It is registered as a UNESCO Intangible Cultural Heritage. The nearby Suigo Sawara Ayame Park, part of the Suigo-Tsukuba Quasi-National Park, contains 1.5 million irises, making it the largest iris collection in Asia, along with over 300 varieties of lotus and a 70-metre wisteria tunnel.
Sawara is reached from Tokyo Station by highway bus (approximately 90 minutes, departing from the Yaesu Exit) or by train via the JR Sobu Line to Narita, then the JR Narita Line to Sawara Station (total approximately 90 minutes). From Narita Airport, the journey takes around 30–45 minutes by train or car, making the townscape a practical stopover for travellers transiting through the region. The historic district is a 10–15 minute walk from Sawara Station. Rental bicycles are available at the tourist information centre in front of the station.