Avalon Waterways receives overwhelmingly positive reviews for its river cruises, with guests praising the attentive service, comfortable accommodations, and well-organized excursions. The food and dining experience is generally rated highly, though a few guests found dinners average or portions small. The ship's cleanliness and quality are frequently highlighted, and most travelers feel the cruise offers good value, especially with early booking discounts. Some negative feedback centers on issues with air conditioning during hot weather and the suitability of excursions for more active guests. Overall, Avalon is recommended for its professionalism, friendly staff, and memorable experiences.