Avalon Waterways receives overwhelmingly positive reviews for its river cruises, with guests praising the attentive service, comfortable accommodations, and well-organized excursions. The staff is frequently described as professional and friendly, and many travelers felt their expectations were exceeded. While most reviews highlight excellent food and ship cleanliness, a few guests noted issues with cabin temperature during hot weather and some dissatisfaction with food variety and tour pacing. Overall, Avalon is highly recommended for a memorable and well-run river cruise experience.