Island of the Willows Nature · Celrà, Gironès, Girona Image of Celrà, not of the place itself. An area of riverside woodland on the banks of the Ter, with willows and alders, walkable on a circular route of about 6 km with panels adapted for visually impaired people. Photo: Josep Maria Viñolas Esteva (CC BY-SA 4.0) What to see and do in Celrà