Castelo de Soutomaior is recognised as the best-preserved castle in Galicia, set amidst centuries-old chestnut trees in Pontevedra province. This medieval fortress features a distinctive double fortification system and operates as a museum with interactive exhibits exploring its heritage. Visitors can explore the defensive walls, stroll through extensive grounds showcasing rare specimen trees including a notable old Redwood, and discover specialised camellia and tea gardens along themed routes. The castle offers guided tours, virtual visits, workshops, and tea tastings, welcoming thousands of visitors annually and holding quality certifications for tourism and garden excellence.