View Approximately 2,500 Fireworks from the Riverbed
About this spot
A fireworks festival held at the Sesseragi Plaza Special Venue in the Yubetsu River riverbed green space, announcing the transition from summer to autumn. Starting at 7 PM, approximately 2,500 fireworks light up Yubetsu's night sky, and the sound of fireworks echoing with the murmur of the river resonates pleasantly. A warm and community-oriented fireworks festival timed to coincide with the cosmos blooming season.
Fireworks details
Name: コスモス開花宣言花火大会
Date & time: 8/29 (Sat) Time TBA
Venue: 湧別川河川敷緑地 せせらぎ広場特設会場
Shells: approx. 2,500
Food stalls
Hours: 12:00–（花火打上開始で販売終了）
※WalkerPlus 2026年開催情報に「露店や屋台の出店も予定されていて見どころ満載」「祭りは12:00〜20:00（花火の打ち上げが開始されたら屋台は販売終了）」と明記（2026-08-29開催予定）. Stall lineups change year to year. Please check the official site for the latest details.
Turn this into a day plan with stall time includedTips
In case of bad weather, the event may be cancelled or postponed, so confirm the official announcement from Yubetsu Town on the day. After it ends, surrounding roads become congested, so it's recommended to linger a bit before heading home.
Best time to visit
7:00 PM to 8:00 PM during the show. Secure your spot at least 30 minutes before the start.
Access & map
Hokkaido, Yubetsu River Riverbed Green Space, Sesseragi Plaza Special Venue
Model course featuring this spot
2026 31st Cosmos Declaration Fireworks Festival - Full Day Course
Hokkaido
Explore features & model courses
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