Guests have had mixed experiences with the cleanliness of Warwick Denver. However, there are still many positive reviews about the overall cleanliness of the facilities, including the rooms, carpets and bathrooms. Some guests have reported minor issues such as dirty air conditioning vents, stained carpets or forgotten phone cords, but overall they were impressed with how well-kept the hotel was. Some guests enjoyed having access to a balcony and spacious, clean rooms. On the other hand, there were some reports of inadequate housekeeping services, neglected landscaping and dirty sidewalks. One guest had a particularly unpleasant experience with mouse feces on their mattress. Despite these negative experiences, many guests still rate the hotel as clean and have praised the friendly and professional staff, as well as great food and drink options. The rooftop pool, while warm, was sometimes described as dirty and discolored. Overall, it seems that cleanliness is an important aspect of guests' experiences at the Warwick Denver and there is room for improvement in some areas.