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 2,916 metres (9,567 ft) and Pic de Sirvent at 2,836 metres (9,304 ft), is in the basin where the Lakes of the Pera pitch to Segre River. There are 32 kilometres (20 mi) of trails for cross-country skiing located from 1,850 to 2,150 metres (6,070 to 7,050 ft) in elevation. * Green circuit: 5 km * Blue circuit: 7.5 km * Red circuit: 10 km * Black circuit: 5 km * Ride circuit: 8 km