Tyräjärvi is a medium-sized lake in the Iijoki main catchment area. It is located in the region Northern Ostrobothnia.Tyräjärvi in the Jarviwiki Web Service. Retrieved 2014-04-05. In Finland there are three lakes with the name Tyräjärvi, of which this one is the largest.Tyräjärvi in Jarviwiki. Retrieved 2014-04-05.
See also List of lakes in Finland
References