Avalon river cruises receive overwhelmingly positive reviews for their exceptional service, comfortable and clean accommodations, enjoyable food, and well-organized excursions. Passengers frequently praise the professionalism and friendliness of the crew, the intimate and well-maintained ships, and the memorable itineraries. While most guests are highly satisfied, some mention areas for improvement such as repetitive food options, limited evening entertainment, large tour groups, and occasional issues with internet connectivity. Overall, Avalon delivers a high-quality river cruise experience that exceeds most travelers' expectations.