From direction Aljezur:
Passing the small town of Maria Vinagre the next village is Malhadais. Turn left into the main street and follow the signs to "Praia de Odeceixe". At the roundabout take the second exit in direction of "Praia de Odeceixe". Follow the street and after appr. 1,5 km turn right at the sign saying "Monte do Sul". The track will lead you across the bridge and after 300m you will find the gateway to "Monte do Sul".
From direction Odemira:
Across the bridge and the river Seixe do not (!) turn right to Odeceixe/center but follow the steep and curvy road up the hill. After appr. 1,5 km you will reach "Malhadais", turn right into the main street and follow the signs to "Praia de Odeceixe" as written above...
Open the map in Google Maps