Kogin Acheron kogi ne dake Canterbury, wanda yake yankin New Zealand kuma yana gudana daga tafkin Lyndon kudu zuwa kogin Rakaia .
ƙananan an ajiye da ma'adinan kwal a kusa da kogin. A cikin 1870s, akwai wata shawara don tsawaita Reshen Whitecliffs, layin dogo na reshe, ta hanyar Rakaia Gorge zuwa Kogin Acheron don samun damar shiga waɗannan ajiyar kwal, kuma Hukumar Sarauta ya 1880 akan hanyar layin dogo na New Zealand ya goyi bayan wannan tsawo, amma bai taba zuwa ba. [1]