És el mes enlairat de tot el Penedès. Està situat a una altura de 781 metres sobre la "dent" del Montmel, que mira de cara al Camp de Tarragona.

Les restes del castell de Marmellar i l'església de Sant Miquel formen un conjunt encimbellat a 380 m d'altitud al mig de la vall.

Olèrdola is an archaeological site occupied for 4000 years as well as a natural park.

At the limits of the Garraf region, the park is a natural watchtower crowned by the Olerdola Castle and remains

Castellet Castle, built on the remains of fortifications dating back more than 2,500 years, was built in 977 with a basic structure consisting of a watchtower and a small wall.

The Miravinya Möebius in Castellet i la Gornal is a sculpture that symbolises the infinite cycle of winemaking. It consists of twelve vignettes