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The accessibility of hotels, restaurants and all sorts of public buildings in Liechtenstein can be found at www.barrierefreies.li.
From now on, even the Liechtenstein banks will no longer hold any secrets from you.
Note that there are three levels of accessibility: easily accessible facilities are located under the green (upper) toolbar, the symbols under the yellow (middle) toolbar indicate reasonably accessible facilities and finally, facilities that are difficult to access are located under the red (lower) toolbar. Useful information is provided for wheelchair users, deaf persons, the hearing impaired and the visually impaired.

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You can find all kinds of accessibility info about this destination here (see also Travel Info and Links: International).