Between municipalities Conca Dellà, Tremp and Abella de la Conca there are a large number of paleontological sites, both dinosaur fossils (bones, footprints and eggs), as well as other vertebrates and plant remains. The Conca Dellà preserves one of the most important sets of paleontological sites with dinosaur remains in Catalonia.
A strip of Upper Cretaceous sediment crosses Catalonia from east to west at what we call the Pre-Pyrenees, and is where we find the main paleontological sites of a period ranging from 72 to 66 million years old. Remains of dinosaurs have been found in Berguedà (Province of Barcelona), Alt Urgell, Pallars Jussà and La Noguera (Lleida) and also in La Ribagorça (Province of Huesca).
The fossils found consist of skeletal remains, eggs and bones of the last dinosaurs that inhabited Europe, as well as a whole host of organisms that coexisted with them. Thus, we can consider that the set of fossil remains from the Conca Dellà and the other sites of the Catalan Pre-Pyrenees help us to understand what life was like at the end of the Cretaceous.
The landscape of the Pallars Jussà, and by extension that of Catalonia and Europe during the Upper Cretaceous, was very different from what we know today.
The Pyrenees were just beginning to form (and it would take more than 20 million years to do so!!) and the sea came to bathe the counties of Berguedà, Alt Urgell, Pallars Jussà and La Noguera.
A drop in sea level caused a retreat to the west of the coastline and a gradual continentalization of these lands, from the beach to the deltaic area or wetlands to end up being an area of great river influence.
As for Europe, a bird's eye view would show us our continent as a set of islands with more or less contact between them. These points of contact were those that allowed the passage of new species of dinosaurs and other vertebrates that possibly migrated from the Asian continent. Choose the activity you like best!