Housed in a 130 year old water tower, the Hotel im Wasserturm is a listed property situated 200 metres from S-Bahn and 1 kilometre from the centre of Cologne. The lobby area of the hotel is 11 metres high and features exposed brick, an elevated bridge and connecting walkways. The hotel's 88 guestrooms feature stylish décor inspired by circles and curves, with bright hardwoods, sintered glass, and stone touches. All include separate seating areas and bathrooms with heated towel rails, bathrobes, slippers, makeup mirrors. Amenities include wireless Internet connections, under-floor heating, minibars, satellite television, safes, telephones with two ISDN lines, parallel telefax and PC connections.

The hotel offers a plethora of dining and drinking options: the Michelin-starred La Vision serves French cuisine such as Pan Fried Fillet of Angus Beef; dublju offers light seasonal dishes in a bright setting decorated with black and gold detail; Harry's Lounge is a gentlemen's-style bar which serves drinks and snacks during the evening. Guests can workout with the hotel's fitness equipment and then unwind in the sauna and solarium, or with an indulgent massage. Practical amenities include underground parking, a limo service, complimentary newspapers in a variety of languages and 24-hour room service. Those with business needs can make use of the hotel's eight function rooms, which range in size from 29 square metres to 242 square metres, and come with a selection of audio-visual equipment. For those wishing to explore the area, Cologne station and cathedral are two kilometres from the hotel and the fairground is three kilometres away. The nearest airport to the hotel is Düsseldorf Airport, which is 60 kilometres from the hotel. A monorail connects the railway station and the terminal building. The S7 S-Bahn (underground) train connects the airport and Solingen-Ohligs, and stops on the lower level of the terminal building. The bus station is located in front of central Arrivals, where taxis can also be found.