Lake Okutama

What it is

• An artificial lake created by the completion of Ogouchi Dam in 1957
• The largest water supply reservoir in Japan, spanning Tokyo and Yamanashi prefectures
• A managed site owned by the Tokyo Metropolitan Waterworks Bureau
• A designated Civil Engineering Heritage site that includes a hydroelectric power plant

What to see

• Two pedestrian floating bridges that allow visitors to cross the lake surface
• The massive Ogouchi Dam structure holding 190 million cubic meters of water
• Scenic views of the reservoir officially known as the Ogouchi Reservoir

Getting there

• The lake is accessible by bus from Okutama Station

Notes written by Japan Gems from facts in Japanese Wikipedia.