Foz do Rio Frio Dolmen

 
The Foz do Rio Frio Dolmen is a funerary monument probably built at the end of the fifth millennium BC. It comprises a polygonal chamber, whose access is by a corridor with close to 3.5 metres. 

 

Address:

Estradão Florestal Bica da Cabroeira - Pego da Rainha, Ortiga, 6120 Mação

GPS coordinates:

39º 28' 27,144'' N / 8º 3' 48,151'' W