Lumbier (Irunberri in Basque language) is a village in Spain and a municipality of the Chartered Community of Navarre ( Comunidad Foral de Navarra), in the province and autonomous community of Navarre, in the north of Spain, 38 km from the capital of the community Pamplona. It has a population of about 1400. It stands on the River Salazar in a region of natural interest.