Gamba castle, now under restoration, from a historical point of view is the "youngest" of the three locks of châtillon in the Italian region of Val d'aosta. Two other Castello dei Passerin d Andrew and Castello di Ussel – were built in the middle Ages. Castello Gamba was built in the 20th century. He stands on a small hill in the Western part of the city in the town of Crest de Bray and the whole is surrounded by a public Park, open to the public all year round. The castle is clearly visible from the A5 motorway, and its South side is hanging over the river Dora Baltea.

Castello Gamba, built in a simple, even austere style, is a compact 4-storey building is almost square in shape with a Central square tower. To the side of the castle stands another building – office, which is elongated to the North by two parallel hulls connected by a small courtyard. The castle was built in 1911, the year the project engineer Carlo Ceraldi for Baron Charles Maurice Gamba, wife Angelica d Andrew, daughter of count Christian d Andrew. In the Park of Castello Gamba in June 2008, was held in Italy last concert of Bob Dylan, which was attended by more than 4 thousand people.

Today Castello Gamba closed for restoration. Soon here will open a Regional centre for contemporary art, and the castle will become an exhibition area and venue for cultural events. It is assumed that within its walls will house regional art gallery with 150 works of contemporary art that have already been selected for this purpose.

Deserves attention surrounding the castle and Park of about 7 hectares – it paved paths, benches, and there is even a wooden fountain. Attraction of the Park are three huge tree – Sequoia, planted in 1888, the year and having a 37 meters high, 2, 3 meters in diameter and a circumference of 7, 2 meters, a hundred years old honey locust ordinary height of 22 m and horse chestnut in the Western part of the Park.