Pehuenches is a department located in the northeast of Neuquén Province, Argentina.

[1] The department limits at north with Mendoza province, at northeast with La Pampa Province and at east with Rio Negro Province, Añelo Department at south, Loncopué Department at South-SouthWest, Picún Leufú Department in the southwest, Minas Department in the northwest.

According to the 2022 Argentine National Census, Pehuenches had a total population of 29,753 people and population density of 3.6 people per square kilometer.

[2]