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Ice falls are found in 14 of the 18 canyons when enough moisture falls during fall and winter for the ice falls to form. The most scenic ice falls at Starved Rock are found in St. Louis, French, Wildcat, Tonty, LaSalle, Hennepin, Ottawa, and Kaskaskia Canyons. At Matthiessen they are found at Matthiessen Lake Falls and Cascade Falls.
