Yes, the tap water in Kyoto is 100% safe to drink and meets some of the most stringent water quality standards in the world. In 2026, Kyoto’s municipal water system utilizes advanced filtration and purification processes, often sourcing water from Lake Biwa, the largest freshwater lake in Japan. The water is clear, tastes neutral, and is completely free of harmful pathogens. You will see "drinking fountains" in public parks and near major shrines like Fushimi Inari, and it is perfectly acceptable to refill your reusable water bottle at these spots. While many tourists still purchase bottled water from the ubiquitous vending machines for convenience, there is no health-related reason to do so. In fact, Kyoto has recently launched several "Eco-City" initiatives encouraging visitors to use tap water to reduce plastic waste. If you stay in a traditional Ryokan or a modern hotel, the water from the tap in your room is of the same high quality, allowing you to stay hydrated safely and sustainably throughout your visit to Japan's ancient capital.