Overview
Mannō Lake (Mannō Ike) is a man-made irrigation reservoir in the town of Mannō, Kagawa Prefecture, and is the largest irrigation pond in Japan. Designated a National Place of Scenic Beauty, it has a circumference of about 20 km and a reserve capacity of 15.4 million tons. It is also called Mannō Tarō.
Highlights
- ●The largest irrigation reservoir in Japan
- ●A circumference of about 20 km and a capacity of 15.4 million tons
- ●Designation as a National Place of Scenic Beauty
- ●A history known for repairs carried out by the monk Kūkai
History
This irrigation reservoir is said to have been built in the early 8th century and is known for repairs carried out by the monk Kūkai. Supporting irrigation over a long history, it is designated a National Place of Scenic Beauty and is also counted among registered irrigation heritage structures. It is also called Mannō Tarō.
Access
The reservoir is located in the town of Mannō, Kagawa Prefecture. Visitors should check published local information before visiting.
Best season
The waterside scenery can be enjoyed throughout the year, offering calm views together with the surrounding nature.
Map
34.1614, 133.8733 · Wikidata
Suggested itinerary
- 1Stand at the shore of the reservoir spanning about 20 km around
- 2Take in the waterside scenery designated a National Place of Scenic Beauty
- 3Reflect on the history of the repairs carried out by Kūkai
- 4Sense the scale of the 15.4-million-ton capacity
Did you know?
💡 Mannō Lake is also called Mannō Tarō.
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