– Possible cancellations due to meteorological or technical circumstances.
– Max. 20 people.
– In case of cancellation, we will try to find another day to visit the Roque de los Muchachos Observatory, or the money will be paid back..
– If the client cancels the reservation, it must be at least 24 hours in advance. We will take a 20 % cancellation fee.
– Languages: English, German, Spanish.