Tickets are on sale for specific times 20 minutes apart, please arrive well in advance. It takes approximately 1 hour to tour all of the reservoirs. Last entry on Friday and Saturday at 11:00pm, Sunday at 8:00pm.
The capacity is updated every 15 minutes, so it is possible that the date does not say sold out because someone has tickets in their basket or the update has not taken place yet. Tickets can be purchased online at least 1 hour in advance.
Tickets are on sale for specific times 20 minutes apart, please arrive well in advance. It takes approximately 1 hour to tour all of the reservoirs. Last entry on Friday and Saturday at 11:00pm, Sunday at 8:00pm.