
Hokkaido Blue Cave Cruise Halted due to Large Rockfall; Resumption of Tours Inside Deemed Difficult Due to Danger
The Yomiuri Shimbun The Blue Cave, where the sea shines a beautiful azure color, is seen in Otaru, Hokkaido, on July 3. The Yomiuri Shimbun 18:04 JST, July 20, 2025 SAPPORO — A large rockfall on Thursday afternoon has halted cruises inside the Blue Cave, a …