If the opening hours say Entry without booking, it isn’t necessary to book the visit in advance. In the ropes course there is always an instructor who shows you everything and tells you what to do. Programs which are unnecessary to book in advance are suitable for: individuals, couples or groups.
If the opening hours say Entry only with advance booking, it is necessary to book the visit in advance. In that case the group of visitors gets their instructor who guides them through the whole program. You may book the program via on-line forms which are attached to every kind of program, by email or on the phone. If you want to make quick visit (that day), it is better to book the program on the phone. BE CAREFUL: in several months it is necessary to make the reservation in sufficient advance. Programs which are necessary to book in advance are suitable especially for: bigger groups, family occasions, company day, school trips, etc..
Check the opening hours of the specific center. To learn more about opening hours of each center click here.