The Onyar is a river in Catalonia (north eastern Spain) that begins at the Guilleries massif at the apex of the Catalan Transversal Range and the Pre-Coastal Range. It joins the Ter at the city of Girona.

The Onyar is a river in Catalonia (north eastern Spain) that begins at the Guilleries massif at the apex of the Catalan Transversal Range and the Pre-Coastal Range. It joins the Ter at the city of Girona.