Manno: Landscapes around Noguchi Reservoir and Shioiri Onsen

The area around Noguchi Reservoir is considered one of the most scenic parts of Manno. A recreational area has been established there, bringing together water, greenery, and Shioiri Onsen. The reservoir is the defining landscape feature of the wider area, while water, greenery, and the hot spring shape the character of the recreational area. This combination gives trip planning a clear focus on nature: you can make the reservoir and river landscape the centerpiece, or plan around a seasonal occasion. If you are looking for a hotel in Manno, it helps to first decide which of these perspectives suits your stay.

Reservoir, River, and Hot Spring

Shioiri Onsen is a natural hot spring on the upper reaches of the Saiden River. Clear water from Noguchi Gorge and greenery shape its surroundings, and the landscape changes with the seasons. The natural setting of Shioiri thus includes a specific river and gorge area as well as seasonal changes. If you are planning to visit Shioiri Onsen, check whether it is currently accessible before you go.

Two connections to water can be distinguished: the area around Noguchi Reservoir represents a wider landscape, while Shioiri Onsen is associated with the upper reaches of the Saiden River and Noguchi Gorge. For trip planning, these offer different perspectives on nature in Manno—a broader landscape area and a specific hot spring surrounded by a river and gorge. The comparison helps you pinpoint your nature focus: the expansive reservoir landscape or the river and gorge surroundings of the hot spring.

Seasonal Reasons to Visit

About one million sunflowers bloom in the town of Manno from late June to mid-July. A sunflower festival is also held there in July; the specific dates vary from year to year. This period offers a more focused seasonal highlight than the changing landscape at Shioiri Onsen. The geographic scope is also different: the onsen and Noguchi Gorge are part of Shioiri’s natural setting, while the blossoms and festival are associated with the town of Manno. If you are traveling for the sunflowers, plan according to information for the town and check the dates for the relevant year.

Buildings and Group Accommodation

One architectural highlight in Shioiri is Shioiri Fureai Lodge. The log cabin is built from round logs measuring 25 to 45 centimeters in diameter. These dimensions make the specific round-log construction tangible and complement the natural features of water, gorge, and greenery with a building. If you are interested in the built environment, this gives you a particular architectural point of reference in Shioiri alongside its landscape features.

The status of Furusato Kenshukan is important for group accommodation: overnight stays have been suspended since January 13, 2026. The facility was designed for exclusive use by one group at a time, accommodating up to 50 people. Therefore, do not plan to use this group accommodation option as a currently bookable stay.

Discover more destinations: Takamatsu, Kotohira, Marugame, Mime, Tadotsu, Tonosho, Zentsuji, Higashikagawa

For the broader travel overview: Kagawa Prefecture.