Occurring within the city, the river Vuoksi, which originates in the Saimaa lake and flows into lake Ladoga, forming numerous rapids and powerful the Imatrankoski rapids. Once this waterfall is called "Finnish Niagara" and in 1772 he admired the Russian Empress Catherine II.

Before a Grand natural phenomenon could be observed in their natural form, but after the construction of hydroelectric power in 1929, the Imatra waterfall has turned into a tourist attraction. Free drop of water in the canyon is on the clock: in the period from 8 June to 25 August, daily at 19: 00, Sunday at 15.00. In August organized a special screening of when the raft with a huge bonfire starts downstream of the waterfall. On the eve of the New year arranged representation Sylvester: "included" waterfall, thundering fireworks and sparkles. The canyon itself is dotted with granite boulders, looks impressive at any time of the year.

The Imatra waterfall surrounded Kruunupyy (Kruununpuisto) is the oldest Park in Finland.