Cruise passengers in certain locations have had their vacations disrupted due to record-low water levels on high-traffic rivers in Europe, stranding vessels and switching up itineraries. Several river cruise operators, including Avalon Waterways and AmaWaterways, have warned that low water levels on parts of both rivers may alter itineraries. One user writing on a social media thread expressed concern about her family members' trip on the Danube and Rhine rivers. A different Reddit user expressed disappointment after drought-driven low water levels forced changes to a Rhine river cruise. "I totally understand the water levels are what they are.