Hakuba Happo-One plans to start its winter season on Tuesday, 1 December 2026. Last season it opened on 6 December. The resort has not announced its closing date or which areas open first.
All facilities close from 4 November for maintenance between the summer and winter seasons.
Most resorts near Tokyo announce their dates between September and November. We track every confirmed 2026-2027 date, and explain how season timing works, in one place: When Do Honshu Ski Resorts Open?
Planning your trip? See the full Japan ski trip planning timeline.
Source: Hakuba Happo-One official website (official Instagram post on the site). Translated and summarised by Japow Guides.
