Fair of Nadal de Vielha Activity · Vielha e Mijaran, Val d'Aran, Lleida Image of Vielha e Mijaran, not of the place itself. The Fira de Nadal de Vielha is set up from 20 to 24 December in the plaza de la Iglesia, with stalls of Aranese crafts and typical food products of the valley. Photo: Isidre blanc (CC BY-SA 4.0) What to see and do in Vielha e Mijaran