View the Castle Ruins Built as a Residence for Tokugawa Iemitsu and the Reconstructed Corner Turret
About this spot
The ruins of Minakuchi Castle, built in the early Edo period as a residence for Tokugawa Iemitsu, the third shogun. Now developed as the Minakuchi Castle Museum, the stone walls and reconstructed corner turret evoke the castle's former appearance. Open as a castle ruins park, you can stroll through the greenery along the moat while reflecting on Koka's history. The museum displays historical materials of the Koka region and castle models in a compact yet substantial way. It's also a good spot to rest indoors during the hot afternoon hours.
Fireworks details
Name: 甲賀流にんにん大花火
Date & time: 7/25 (Sat) 19:45–20:15
Venue: 甲賀市・野洲川河川敷（水口橋周辺）
Shells: approx. 3,000
2026年7月25日(土)19時45分から20時15分まで、野洲川河川敷の水口橋周辺を舞台に約3,000発が打ち上げられます。甲賀流にんにん大花火は忍者の里・甲賀市を代表する夏の風物詩で、野洲川の広い川幅を生かした開放的な観覧環境が魅力です。川面に映る花火の光と、山あいに響く打ち上げ音が、河川敷観覧ならではの臨場感を生み出します。30分間に凝縮された約3,000発は次々と夜空を彩り、地域の夏を締めくくるにふさわしいクライマックスです。
Tips
荒天時の開催可否は甲賀市の公式発表で事前に確認しましょう。終了後は周辺道路が混雑するため、河川敷で余韻を楽しんでから時間差での移動がおすすめです。川沿いは終了後も足元が暗いため、スマホのライトで足元を照らしながら安全に移動してください。
Tips
About 3 minutes on foot from Omi Railway Minakuchi Shironan Station (近江鉄道水口城南駅). Admission is approximately 200 yen for adults (subject to change). During summer daytime, the area around the castle stone walls is hot with sunlight, so bring drinks. After viewing, you can also move on foot to Minakuchi town center.
Best time to visit
Takes approximately 1 hour. The afternoon light beautifully illuminates the stone walls and white-walled corner turret
Access & map
〒528-0023 Shiga Prefecture, Koka City, Minakuchi Town, Honmaru 4-80
Model course featuring this spot
2026 Koka-ryu Ninnin Grand Fireworks - Full Day Experience Course
Shiga
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