Former wine farm, near Olivella, renovated as a nature school for short stays. The educational activities organized there aim to deepen the knowledge of the natural environment and human settlement in what is now the Parc del Garraf. Pedagogical programs are carried out for educational centers, 3- and 5-day stays, weekends and holidays for children, various organizations and family groups.
The Can Grau Nature School is a facility owned by the Provincial Council of Barcelona, managed under an administrative concession by Fundesplai-Fundació Catalana de l'Esplai. It is accessed by an asphalted forest track that leaves Olivella towards Plan Novella
It has a capacity for 52 places, four of which are adapted for people with motor disabilities. All rooms have bunk beds. It has a dining room for 100 people. The building has heating and hot water. There are two nature classrooms and a multipurpose room of 80 m2. It has parking for cars and coaches. In the surroundings, there is a vineyard, orchard, medicinal herbs and fruit orchard, a sensory itinerary adapted to people with visual impairments, a bird observatory and a naturalized pond. It also has a swimming pool.