📜 Ruins of a medieval castle, first national monument of the Netherlands. 🔍 Constructed around 1285 by Willem van Brederode, and once belonged to the powerful House of Brederode. # Why Go 🏰 Explore medieval castle ruins, including remaining 13th-century walls and visible foundations 🚶 Hike in nearby Zuid-Kennemerland National Park 🌳 Picturesque landscape with a moat, perfect for photography 🎶 Enjoy special events, tours, and concerts 📚 Learn about castle history, medieval torture, and its tumultuous past, including sieges and restoration efforts 🚶 Easy day trip from Amsterdam, located near Zuid-Kennemerland National Park # Tips 🗓️ Check opening days and times before visiting. ❄️ Closed in winter (November 1 - March 1). 🚴 Arriving by bike is highly recommended for a scenic Dutch experience. ☕ A small cafe offers drinks and apple pie. # Cost 💰 Entrance fee 6 euros. # Hours 🕒 Open Wed, Fri, Sat, Sun; closed Mon, Tue, Thu.