Data protection

The operators or these web sites take the protection of your personal data very serious. We treat your personal information confidentially and in accordance with statutory data protection, and this Privacy Policy.

The use of our web sites is normally possible without providing any personal data.  Insofar as personal data are collected on our site, this will be on a preferably voluntary basis as much as possible.

We would like to point out that data transfer on the internet (e.g. communication via e-mail) might involve security gaps. A seamless protection of data against access by third parties is not possible.

Registration for Guided Tours

If you choose any of our guided tours, a registration via e-mail with your name and address is mandatory. Additionally, we need a mobile phone number for possible inquiries on the day of the tour. These data will not be forwarded to any third parties and will be deleted from our mailing system after the tour.

Newsletter data

If you want to receive the newsletter from our web site, we need your e-mail address and information that allows us to check whether you are the owner of the stated e-mail address and consent with receiving the newsletter. Further data are not collected.

We use these data exclusively for e-mailing the requested information and will not provide them to any third party.

You can withdraw your permission to save the data and e-mail address and your permission to use these for e-mailing the newsletter at any time, e.g. via the link provided in the newsletter or on our web site.

Disclosure, Deletion, Blocking

At any time you have the right to free information about your stored personal data, their origin and recipients, the purpose for the data processing as well as the right to correction, blocking or deletion of these data.

With regard to these and further questions on personal data, you can contact us at any time via the address specified in the imprint.


Use of Cookies and Analytical tools

In order to extend the functionality of our website and to make its use more comfortable for you we use so-called "cookies"; cookies are small pieces of information that your browser stores on your computer's hard disk. We use exclusively cookies necessary for disturbance-free operation of our website. You can access our web pages without cookies; however, there might occur technical restrictions. No personal data are stored or collected through our cookies.


On our website, we use the statistics service tool Matomo that uses cookies allowing us to analyse your website use. On request, we provide detailed information of the data collected by Matomo like the number of visitors or daily/monthly/yearly statistics etc.

Concerning data collection by the statistics tool, you have a separate right of objection. To object, activate the checkbox below by clicking on it; data of your visit will not be collected any more.