Lakes of Hirvensalmi

Puula (or Puulavesi) is a lake in the Kymi River area in the Finnish municipalities of Hirvensalmi, Kangasniemi and Mikkeli. Puula is above sea level, with a surface area of . It is deep at its deepest point, located near Porttisalmi at Simpiänselkä, which is the biggest open area of the lake. Two big lakes Suontee and Puula were one lake until year 1854, when the water level was lowered 2.5 meters. This brought geological stacks above the surface, which are formed by water.

Suontee (also: Suonteejärvi) is a rather large lake in Finland in the Kymijoki river's main watershed. The northern part of the lake is located in the region of Central Finland, and the southern part in the region of Southern Savonia. The southern part is in a more natural state with very clear water, and it is included in the Natura 2000 conservation network of the EU. The protection area is 2 625 hectare. A typical bird there is the black-throated loon. In the past two big lakes, Suontee and Puula, were one lake until 1854, when the water level was lowered 2.5 meters. This has brought u

Vahvajärvi (; ) is a lake in Hirvensalmi, Finland. It is a medium-sized lake in the Kymijoki main catchment area. It is located in the region of Southern Savonia. The length of the lake is about ten kilometers.