Castle De Haar, located near Utrecht, is the largest castle in the Netherlands, offering a fairytale-like experience with its rich history and stunning architecture. Accessibility is generally good, with accessible routes and facilities available, though some areas may present challenges for those with mobility issues; it is advisable to check the official website for detailed information. The castle is suitable for both solo explorations and guided tours, each offering unique perspectives; guided tours provide deeper historical context. While the castle is open year-round, the gardens are especially beautiful in spring and summer. Expect to spend approximately 3-4 hours exploring the castle and its grounds. The cost of admission is around €19.50 for adults, making it a worthwhile investment for a day of cultural immersion.