agricultural irrigation
attractions
beautiful
blue sky
bridge
bright
clean
clear
drought
dry weather
dykes
intake tower
irrigation
irrigation facilities
irrigation facility heritage
irrigation water
japan
japan largest reservoir
kagawa
kagawa prefecture
kanakura river
kobo daishi
kukai
legend
leisure
manno
mannocho
mannoike observatory
mannoike weir
mannopond
mannou pond
max japan
natural
pond
popular
quiet
recreation
reservoir
sanuki
scenery
scenic beauty
setouchi
shikoku
sunny
taro manno
the great win of the country
to help you unwind
tourism
tourist attractions
travel
udon prefecture
views
water
water intake
water shortage
west japan
world irrigation sites heritage site