Valtimo (literally "artery") is a municipality of Finland.
It is located in the province of Eastern Finland and is part of the North Karelia region. The municipality has a population of 2,363 (30 June 2015) and covers an area of 838.10 square kilometres (323.59sqmi) of which 37.75km (14.58sqmi)
is water. The population density is 2.95 inhabitants per square kilometre (7.6/sqmi).