Hotel in Karlsruhe with a 24-hour front desk and a restaurant A restaurant, a bar/lounge, and self parking are available at this smoke-free hotel. WiFi in public areas is free. Other amenities include conference space, concierge services, and dry cleaning. Rio Hotel offers 117 air-conditioned accommodations with minibars and safes. Beds feature premium bedding. Refrigerators and coffee/tea makers are provided. Bathrooms include showers, complimentary toiletries, and hair dryers. Guests can surf the web using the complimentary wireless Internet access. Televisions come with satellite channels. Housekeeping is offered daily and hypo-allergenic bedding can be requested. The recreational activities listed below are available either on site or nearby; fees may apply.