Liperi () is a municipality of Finland. It is located in the North Karelia region. Liperi is a community of () with the growth rate of 83 newcomers in 11 months in 2007. The population density is . The municipality covers an area of of which is water. The municipality is unilingually Finnish. Neighbouring municipalities of Liperi are Heinävesi, Joensuu, Kontiolahti, Outokumpu, Polvijärvi, Pyhäselkä, Rääkkylä and Savonlinna. The municipality of Liperi has increased in population for several years, as a side effect of the attraction of the nearby city of Joensuu. Liperi is among the fastest growing municipalities in Northern Karelia. Especially the areas of Ylämylly, Honkalampi and Jyrinkylä, situated close to each other. The Finnish member of the parliament Eero Reijonen lives in Liperi. The highest recorded natural temperature in Finland, 37.2 °C (99.0 °F), was measured at Joensuu Airport in Liperi on July 29, 2010. In July 2021, Saariston Puoti, a resting place on the shores of Lake Ruokosalmi in Liperi, was chosen as the best rest stop in Finland. Church village The view of the church village of Liperi is dominated by the stout red brick church of Liperi, which was built from 1854 to 1858. The old wooden municipality house is among the oldest buildings in the region, and discussions about its protection have been ongoing since the 1990s. The centre of the church village was changed outwardly, when a bypassing highway connection was started in summer 2007. In the process, the place of the summer market moved to the yard of the Liperi stage for one summer. Villages Villages in Liperi include Härkinvaara, Kaatamo, Korpivaara, Mattisenlahti, Risti, Roukalahti, Salokylä, Tutjunniemi, Vaivio, Viinijärvi and Ylämylly. Municipality join plans In November 2006, Liperi and Outokumpu announced their plan to discuss a municipality join. On 13 November 2006, the municipal council of Liperi decided, with votes 24 to 11, to only discuss a municipality join with Outokumpu, not with other municipalities. The municipalities already have a common director of social and health services. On 19 June 2007, the municipality council decided not to pursue the municipality join with the city of Outokumpu. Schools Liperi gymnasium The Liperi gymnasium operates in the Liperi municipal centre at a distance of from Joensuu. The gymnasium and classes 5 to 9 of the Liperi school form an employment community for about 700 people. On 15 December 2006, the education board of Liperi