Castelo-do-Burro is a unique donkey conservation farm located in the rural village of Boavista dos Pinheiros in the municipality of Odemira, in the Alentejo region of southern Portugal. The farm is dedicated to the breeding and preservation of the native Iberian donkey, a critically endangered domestic breed that once played an essential role in the agricultural and rural life of the Alentejo. Visitors are welcomed on guided farm tours to learn about this conservation project, discover the intelligence and gentle temperament of these historic animals, and appreciate the pastoral beauty of the surrounding countryside. Castelo-do-Burro represents a passionate commitment to safeguarding a piece of Portugal's living cultural and agricultural heritage for future generations.