This is the longest and most complete itinerary that we propose. Designed to be completed over two days, with an overnight stay at a refuge. It traverses varied and spectacular landscapes that showcase the natural and cultural attributes of the valley.• Distance: 27 Kilometers• Elevation: 1600 positive meters• Time: between 10 and 12 hours   It is recommended to do it in two days:The first option we propose is to spend the night at the Riu dels Orris refuge:- Day 1:• Distance:16 kilometers• Elevation: +1030 meters• Time: between 6 and 8 hours- Day 2:• Distance:11 kilometers• Elevation: +600 meters,• Time: between 4 and 5 hoursThe second option we propose is to spend the night at the Illa refuge:- Day 1:• Distance: 18.7 Kilometers• Elevation: +1270 meters,• Time: between 7 and 8 hours-Day 2:• Distance: 8.3 Kilometers,• Elevation: +300 meters• Time: between 3 and 4 hoursTo undertake this itinerary we advise you:• Plan the route properly.• Check the weather information before your departure.• Wear appropriate clothing and footwear, hat, sunglasses and sunscreen...• Remember to bring enough water and food.• And above all, do not leave waste on the mountain.• If you plan to do the itinerary over two days, spending the night at a free refuge, you will also need to bringa sleeping bag, mat and extra food.• On the other hand, if you plan to carry out the itinerary in two days, the night in the shelter on the Illa must be reserved in advance.   We hope you enjoy the route!!!