Lake trout
Kuusaankoski is located on the waterway from lake Vatianjärvi into lake Saraavesi in Laukaa. The mean discharge on the rapid is . Total elevation difference is . The fishing season is from January 1 to September 10 and from November 16 to December 31. The natural catch species are grayling, brown trout, ide, pike and whitefish. Stocked species are freshwater salmon, whitefish, brown trout and grayling. Lake trout is the most wanted catch on the rapid Kuusaankoski. It is also able to breed in the river naturally. There are big anadromous lake trout from lake Päijänne in the river. During the last few years the biggest lake trout caught from the rapid have weighed about .