Refers to the negative effects of excessive tourism on a destination, such as overcrowding, environmental damage, and strain on local infrastructure.
Overtourism is causing the living environment of local residents to deteriorate.
This town introduced entry restrictions to prevent overtourism.
観光公害 (tourism pollution) emphasizes the nuisance and environmental harm caused by tourists, while 観光過剰 focuses on the excessive volume of tourism itself.
Compound of 観光 (sightseeing, tourism) and 過剰 (excess, surplus). A relatively recent term reflecting growing awareness of overtourism issues.