In principle, we have an open registration for the dates in the published fixed program. However, we do have a minimum number of participants: for trips with a boat 30 persons, for trips without boat six persons. Based on your wishes, we also organize customized tours. A nice idea for a group of colleagues, family outing or a day out with friends! You can indicate whether the customized tour to be organized for you is also open to others. The costs are then shared. For all tours applies: we depend on nature. Therefore, keep in mind that you cannot walk at any time. We must take into account tides, likelihood of thunderstorms, wind direction, wind force and temperature. Under unfavorable conditions, a simple mudflat trip can become strenuous; the program can be modified; even canceled. All this in the interest of your and our safety!