Avalon river cruises receive overwhelmingly positive reviews for their exceptional service, well-organized excursions, comfortable accommodations, and high-quality food. Guests frequently praise the attentive and friendly staff, the cleanliness of the ship, and the overall seamless experience. While most aspects are highly rated, there are occasional mentions of issues with internet connectivity, some excursions not meeting expectations, and minor inconsistencies in food quality or cruise director communication. Overall, guests describe their trips as memorable, relaxing, and exceeding expectations.