Plouharnel is situated about 3 km northwest of Carnac.

Plouharnel is situated about 3 km northwest of Carnac. Here you'll find the three dolmens de Rondossec, which were built side by side some 6000 years ago.

Less than 1 km north of these tombs is the alignement de Vieux Molins.

Two kilometres further north, as the crow flies, are dolmen and quadrilatère de Crocuno.

Passing Crocuno you'll soon see dolmen de Mané Croc'h.

If you go in the direction towards Carnac instead, you'll pass this dolmen after leaving Plouharnel.

The town is also on the threshold to the Quiberon peninsula, with Saint-Pierre-Quiberon only 10 km away.