The Coll de les Portes dolmen is a small gallery grave in the municipality of Banyuls-sur-Mer in the French department of Pyrénées-Orientales.
The dolmen is located in the southeast of the municipality of Banyuls-sur-Mer immediately west of the Coll de les Portes at 458.3 meters above sea level. The municipal boundary to Cerbère runs over the pass. The top of the pass is the northern branch of a ridge that descends from the Puig de Querroig (with Castell de Querroig).
