Under Place Royale lie the vaults of the palace where Charles V lived, destroyed by fire in 1731; you walk the cellars and the buried Rue Isabelle, a medieval street now underground.
- Address
- Place des Palais 7, 1000 Bruxelles
- Hours
- Tue-Fri 9:30-17:00; weekends and Jul-Aug 10:00-18:00; closed 1 Jan, 21 Jul, 25 Dec
- Best time to go
- Morning, Afternoon · About 1.5 h
- Price
- Ticket price not verified 2026 (see coudenberg.brussels)
- Price level
- €€
- Free entry
- Also free for: Under 18s free
Details can change. Check hours and prices before you go.
Good to know
- Entry is through the BELvue museum building.
- Cool underground even in summer: bring a layer.