Aransa is a Catalan ski resort located in Arànser, in the municipality of Lles de Cerdanya, opened in 1986.Surrounded by the mountains of Tossa Plana de Lles at 2916m and Pic de Sirvent at 2836m, is in the basin where the Lakes of the Pera pitch to Segre River.There are 32km of trails for cross-country skiing located from 1850to in elevation. Green circuit: 5 kmBlue circuit: 7.5 kmRed circuit: 10 kmBlack circuit: 5 kmRide circuit: 8 km The red circuit, El Mirador, reaches the highest point with an excellent view on the comarques of Alt Urgell and Cerdanya, and over the Cadí Range.