Contact Form

If you use our contact form, your request will be sent directly to the appropriate contact person within our association. By doing so, you will help us to answer your request as fast as possible.

Here you can find the Price list for group tours 2021 (PDF) and Price list for group tours 2022 (PDF).

In our Underground FAQ and in the important tips sections, you will find the answers to the most frequently asked questions.
 

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Your request: I would like to inquire about a group tour.

Please note: Requested dates/times are not binding. You will receive an offer from us regarding your desired date, if necessary, with an alternative start time. Group tours are only possible outside of official tour times. Depending on your desired tour, please also consider other possible time restrictions or the maximum number of participants for group tours. Information on particular tours can be found under Guided Tours > Tours for Groups > Conditions for Groups.
Your contact information (for invoice customers, please specify the invoice address)
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