Avalon river cruises receive overwhelmingly positive reviews, with guests praising the attentive staff, excellent service, well-organized excursions, and comfortable accommodations. The food and dining experience is generally rated highly, though a few guests found it inconsistent. Entertainment and activities are appreciated, especially the well-planned tours and knowledgeable guides, though some would like more variety or options for different energy levels. The ship's cleanliness and quality are consistently highlighted, and most guests feel the cruise offers good value. Some minor issues were noted with internet connectivity, excursion logistics, and specialty services, but these did not significantly detract from the overall experience.