Termas de Monfortinho is a spa town in the municipality of Idanha-a-Nova, Portugal. It is one of the main crossings on the PortugalâÂÂSpain border.
Termas has 307 inhabitants (2011) and is about 3 km from the parish headquarters, Monfortinho.
It is served by Monfortinho Airport, an unpaved airstrip south of the village.