a river
aikawa town
dam
electrical
fresh green
gravity type concrete dam
green
hydraulic power
hydro power generation
ishikaki lake
kanagawa prefecture
lake
lake miyagase
miyagase
miyagase dam
miyagase subdub
mountain stream
nakatsugawa
nature
park
pond
power
power generation
river
scenic site
sprout
stone hut dam
tourism
tourist spot
tree
valley
wakaba
water
wood