The Cuyahoga River (/ˌkaɪ.əˈhɒɡə/KY-ə-HOG-ə, or /ˌkaɪ.əˈhoʊɡə/KY-ə-HOH-gə) is a river in the United States, located in Northeast Ohio, that feeds into Lake Erie. The river is famous for having been so polluted that it "caught fire" in 1969. The event helped to spur the environmental movement in the US.