Petäjävesi (Finnish pronunciation: [ˈpetæjæˌʋesi]; lit. "pine water") is a municipality of Finland. It is located in the province of Western Finland, next to the city of Jyväskylä, and is part of the Central Finland region. The municipality has a population of 3,596 (31 December 2023) and covers an area of 495.41 square kilometres (191.28 sq mi) of which 39.01 km (15.06 sq mi) is water. The population density is 7.88 inhabitants per square kilometre (20.4/sq mi).

Neighbouring municipalities are Jyväskylä, Jämsä, Keuruu, Multia and Uurainen.

The municipality is unilingually Finnish.

The Petäjävesi Old Church, was listed as a UNESCO World Heritage Site in 1994 for its testimony to Nordic church architecture.

Nature

There are all together 99 lakes in Petäjävesi. The biggest lakes are Jämsänvesi-Petäjävesi, Ala-Kintaus and Ylä-Kintaus. Karikkoselkä is a lake in Petäjävesi, which is formed by a meteorite.

The Karikkoselkä impact crater is located southeast of the municipal centre.

Notable people

• Mika Aaltola (1969–)
• Jarmo Kytölehto (1961–)
• Frans Lehtonen (1859–1920)
• Olavi Tupamäki (1944–)

Gallery

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  Petäjävesi Old Church interior
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  Petäjävesi New Church
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  Petäjävesi Old Church