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Showa Kinen Park Cosmos Festival 2026 - plan your visit: Dates, Venue & Visitor Guide
コスモスまつり2026
Showa Kinen Park's official Cosmos Festival runs September 12-October 25, 2026 and includes multiple planted display areas plus scheduled photo.
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DateSep 12 – Oct 25, 2026DestinationTachikawa / Akishima / Showa Kinen Park, TokyoOrganizerShowa Kinen Park
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