Coll de Nargó Main Festival Activity · Coll de Nargó, Alt Urgell, Lleida Image of Coll de Nargó, not of the place itself. The fiesta mayor of Coll de Nargó is celebrated in a town known for its dinosaur egg sites, among the most important in Europe, and for the museu dels Raiers, housed since 1998 in the chapel of the Roser and dedicated to the trade of floating timber down the Segre, until the last log raft in 1932. Photo: Viquipèdia / Wikimedia Commons (CC BY-SA) What to see and do in Coll de Nargó