Koshihikari Rice — Birthplace of Japan's Premium Rice

Koshihikari is Japan's most famous rice variety, representing 35% of all rice grown in Japan and commanding premium prices (¥500–800 per kg vs ¥250–400 for standard rice). The variety was developed in 1956 in Fukui Prefecture but found its ideal terroir in Niigata — the combination of heavy snowmelt, mineral-rich soil, and large day/night temperature differentials during the growing season produces Koshihikari with exceptional sweetness and sticky texture. Tainai City in northern Niigata is considered the premium growing region within the prefecture.

The Tainai Agricultural Center offers seasonal rice farming experiences: rice planting (late May), weeding (July), and harvest (September–October). The full-day harvest experience includes cutting rice by hand with traditional kama sickles, bundling stalks, hanging for sun-drying (hasa-gake), and cooking fresh-threshed rice for lunch.