Nagawa Town is a scenic mountain town in east-central Nagano Prefecture, located in Chisagata District. Surrounded by highlands, mountain passes, forests, and historic post towns, the town offers a remarkable combination of natural beauty and cultural heritage.
The higher areas of Nagawa are pleasantly cool in summer and become winter destinations for skiing and snow activities. Historic roads and settlements recall the days when travelers crossed the mountains on foot, while vast highland landscapes provide opportunities for hiking, scenic drives, and peaceful escapes into nature.
The Yoda River and Daimon River are the principal waterways flowing through Nagawa Town. These rivers support the local natural environment as well as agriculture and everyday life.
The town is also home to high-elevation landscapes including the Utsukushigahara Highlands and Wadatoge Pass. Their open mountain scenery and clear air make the area particularly attractive for hiking, trekking, cycling, and scenic driving.
One of Nagawa’s most distinctive features is its long association with obsidian. The area around Wadatoge Pass has been known as an important source of this volcanic glass since ancient times. During the Jomon period, people already traveled to the area to obtain obsidian for making stone tools.
Obsidian breaks with an exceptionally sharp edge, making it useful for knives, arrowheads, spear points, and other tools. Because high-quality obsidian was valuable beyond its place of origin, it also became an important prehistoric trading material. The presence of obsidian from Nagawa at archaeological sites far from its source provides evidence of extensive networks of exchange and interaction in ancient Japan.
Obsidian is a natural volcanic glass formed when lava cools rapidly. Its smooth surface, distinctive luster, and ability to break into extremely sharp edges made it an important material for prehistoric tools and ornaments.
Although it is usually black, obsidian can also appear brown, translucent, or in other variations depending on its mineral composition. In Japan, its use has been traced back to the Upper Paleolithic period.
Obsidian is also extremely valuable to archaeologists. Because the chemical composition of obsidian varies according to its geological source, researchers can analyze excavated pieces and determine where they originated. This makes it possible to reconstruct prehistoric trade routes and understand the geographical extent of human interaction thousands of years ago.
During the Kamakura period, around the late 12th century, the area was reportedly controlled by the Yoda clan, a local warrior family. Later, during the Edo period, parts of present-day Nagawa became tenryo, territories administered directly by the Tokugawa shogunate.
The development of the Nakasendo brought even greater historical importance to the area. Nagakubo-juku and Wada-juku were established as post towns along the highway, providing lodging, food, and other services for travelers crossing the mountains between Edo and Kyoto.
The former post towns of Nagakubo-juku and Wada-juku preserve traces of the world of the Nakasendo. Historic buildings, traditional streets, and other surviving features allow visitors to imagine the travelers and merchants who once passed through these mountain settlements.
Wada-juku Honjin, the principal lodging facility for high-ranking travelers, is one of the notable historic structures in the area. Exploring these old post towns offers a fascinating glimpse into the transportation network and everyday life of Japan during the Edo period.
The Utsukushigahara Highlands are an expansive mountain plateau offering broad views, open skies, and refreshing highland air. The area is well suited to trekking and scenic drives, with landscapes that change dramatically from season to season.
Wadatoge Pass is a high mountain pass with outstanding views and an important place in both the natural and archaeological history of Nagawa. The surrounding mountains were a major source of obsidian in prehistoric times, linking this beautiful landscape with some of the earliest chapters of human activity in the region.
Clear springs can also be found around the pass, including areas near the Menokura Toll Station and the Wadatoge Higashimochiyaya area. These natural springs provide a refreshing reminder of the abundance of water in the highlands.
Hoshikuso Pass Obsidian Source Site is an important archaeological landscape where traces of ancient obsidian extraction remain. The site helps visitors understand how prehistoric people obtained the volcanic glass used to make tools and how Nagawa became connected to wider networks of exchange.
For travelers interested in archaeology, the site provides a unique opportunity to see how the geological resources of a mountain landscape influenced human history long before written records existed.
Agriculture and forestry remain important parts of Nagawa’s local economy. The area is particularly known for the cultivation of enoki mushrooms, while the surrounding natural environment also supports the production of seasonal vegetables, mountain vegetables, and fruit.
Local agricultural products are also used to make traditional processed foods, including pickles. These regional specialties reflect the close relationship between Nagawa’s mountain environment and the everyday food culture of its residents.
When winter arrives, Nagawa becomes a destination for snow sports. Blanche Takayama Ski Resort and Echovalley Ski Resort offer slopes for a range of abilities, from families and beginners to experienced skiers.
Accommodation facilities and hot springs add to the appeal of the area, allowing visitors to combine skiing and other winter activities with relaxing stays in the mountains. In summer, the same high-elevation environment provides cool temperatures and a refreshing alternative to the warmer lowlands.
Traditional lion dances continue to be passed down in Nagawa and are performed during local festivals. These performances provide an opportunity to experience living traditions that remain closely connected to community life.
The town also contains traces of more recent history, including the Former Wada Tunnel, a reminder of the challenges involved in crossing the mountains before modern transportation infrastructure was developed.
Kobayashi Residence is a historic house dating back to the Edo period. Its traditional architecture and well-preserved condition make it an attractive subject for photographers as well as visitors interested in Japanese architecture and rural history.
The house provides a glimpse into the traditional lifestyle of people who lived in this mountain region before modern homes and transportation transformed everyday life.
Nagawa’s mountain environment is also ideal for farm experiences. Longmen Farm and Takayama Farm offer opportunities to encounter animals and enjoy the open landscape, making them particularly suitable for families traveling with children.
Surrounded by fresh air and wide-open scenery, these farms offer a relaxed way to experience the rural side of Nagano beyond its famous temples, castles, and mountain resorts.
Yoru-no-Ike, meaning “Night Pond,” is a peaceful waterside setting where visitors can leave behind the noise of urban life and simply enjoy the surrounding landscape.
The atmosphere is especially beautiful in the early morning, when mist may hover above the water, and at sunset, when the changing light creates a tranquil mountain scene. It is a place to slow down, listen to nature, and experience the quiet side of Nagawa.
Nagawa Town offers an unusually rich combination of prehistoric history, Nakasendo heritage, highland scenery, agriculture, and outdoor recreation. The story of obsidian connects the town with people who lived here thousands of years ago, while Nagakubo-juku and Wada-juku reveal the importance of the region as a mountain transportation route during the Edo period.
Today, visitors can hike through the Utsukushigahara Highlands, explore historic post towns, discover archaeological sites, enjoy farm experiences, or spend a winter day skiing in the mountains. Each season brings a different character to the landscape.
For travelers seeking a destination where ancient culture, historic roads, traditional rural life, and highland nature come together, Nagawa Town offers a memorable journey into one of Nagano’s quieter mountain regions.