Hotel Rio The 4x000D star luxury Hotel Rio is situated in Karlsruhe. The hotel offers on site car parking. Guests can enjoy a meal at the hotel restaurant. Rooms at the Hotel Rio. A hairdryer is provided in every room. Wifi internet access is available in all rooms. Tea and coffeee making facilities together with a minibar are available in all rooms. Leisure Info. The Hotel Rio offers guests a selection of leisure activities and facilities. Other Info. The hotel offers an airport shuttle service. Pet owners and their well behaved pets are welcome at the hotel. A concierge service is provided for guests. The hotel has disabled facilities with wheelchair access to the hotel, reception, bar and conference facilities areas of the hotel.