Karuizawa closed its 2025-2026 winter season on 31 March 2026. The resort opened on 1 November 2025, so it had a long season from early winter to spring.
Karuizawa sits at a lower height than the big mountain resorts and uses snow machines. So it opens early in the season and also closes earlier, at the end of March. For an early-winter or March family trip near Tokyo, it is a good choice.
Source: Karuizawa Prince Hotel Snow Resort official website. Translated and summarised by Japow Guides.
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At Karuizawa, lift tickets are free for children up to elementary-school age, through the Prince Snow Resorts Kids Free campaign. The resort also has a kids park and a kids school.
Karuizawa Prince Hotel Snow Resort opened on 1 November 2025, the earliest in Nagano. The snowmaking resort opened more courses through the season and ran until 31 March 2026.
Get detailed information about Karuizawa including slopes, facilities, weather, and booking options.
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Tak — Founder & Editor.
I'm a Tokyo-based snowboarder and father of two, with over 20 years on Japan's slopes. Resorts I have personally visited are marked "Visited" and include my first-hand notes. The other resorts are summarized from public ski-area data and local reviews. I add my own notes over time. How we select →
