Vilaüt Pond Nature · Castelló d'Empúries, Alt Empordà, Girona Image of Castelló d'Empúries, not of the place itself. One of the most emblematic freshwater ponds of the former Castelló lagoon, surrounded by hygrophilous vegetation and with a bird-watching platform. Photo: Alberto-g-rovi (CC BY-SA 3.0) What to see and do in Castelló d'Empúries