The landscape around Tsunan is a snow-heavy river basin at the meeting of the Shinano and Nakatsu rivers, a setting that has shaped both settlement patterns and the local economy. Winter snowfall is a defining fact of life here, while the spring meltwater helps supply the valley’s rice fields. The surrounding Naeba Sanroku Geopark interprets a terrain of river terraces, landslides and long human occupation across Tsunan and neighbouring uplands. Tsunan’s annual Snow Festival is known for its mass release of sky lanterns, with fireworks adding to the winter programme. Explore further webcams across Niigata Prefecture to trace how Tsunan’s river country links with the region’s mountain and coastal communities.
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