le nom indiqué sur le panneau de rue est allée des Truillas. dans google map in trouve aussi Truyas

The megalith of Mamoa do batatero is located here 41,9918333N, -8,2692500W (or 41°59'30.6"N 8°16'09.3'W). It is nice, close to the road (about 400 m) and it is possible to go inside the dolmen. It could be a nice point of interest.