Opening hours Living Horse Museum - De Hollandsche Manege Opening hours museum Good to know: Because of the Thelwell exhibition we will now be open on Mondays. On Thursdays we will now open at 11am. On Boxing Day the museum will be open. MondayTuesdayWednesday Thursday FridaySaturdaySunday 11am – 5pm11am – 5pm11am – 5pm11am – 5pm11am – 5pm11am – 5pm11am – 5pm We are also closed on some holidays: Kingsday // Pentecost // New Year’s Day Prices Sidesaddle show