Avalon river cruises receive overwhelmingly positive reviews for their attentive service, well-organized excursions, comfortable accommodations, and overall ship quality. Guests frequently praise the professionalism and friendliness of the staff, the cleanliness and luxury of the ships, and the memorable itineraries. While most experiences are excellent, some guests note issues with internet connectivity, food variety, and logistical challenges during add-on extensions or transfers. The cruises are especially recommended for older travelers, with a few younger guests feeling out of place. Overall, Avalon delivers a high-quality river cruise experience with a few areas for improvement.