The museum exhibition “Santa Coloma: Mountain, River, City” illustrates the continuity of the territory of Santa Coloma and its population, from the Iberian settlements at Puig Castellar to the present day. The exhibition is built around three physical features of the municipality: the mountain (Puig Castellar), the river (Besòs) and the city itself (Santa Coloma). Each of them is linked to the development of different historical periods in Santa Coloma.
On the first floor we find the area entitled “The Mountain”, offering a complete overview of Iberian culture, focusing on the Iberians of Santa Coloma and the village known as Puig Castellar. After a brief introduction to the territory of Santa Coloma and Iberian culture, the exhibition centres on the legacy of the Laietani Iberians in Santa Coloma, especially at the Puig Castellar dig (gallery 1); following is the space dedicated to the Iberian water mills (gallery 2); in the next space there is an audiovisual presentation on the Iberians (gallery 3); in the “Treasure Gallery” we find the most important Iberian pieces on display, some of them highly unique, all discovered in the city (gallery 4); then there is a reconstruction of a domestic space (gallery 5) and the gallery dedicated to the daily life of the Iberians, featuring economics, technology, society, writing, beliefs and the period of Romanization (gallery 6).