Lake Okutama
In Japanese: 奥多摩湖

The reservoir of Ogochi Dam, completed in 1957 and still one of Japan's largest water-supply reservoirs, ringed by forested hills with cherry blossoms and autumn colors. A floating drum bridge crosses the lake.
Nearby
- Hatonosu Gorge (Okutama) ≈ 45 min by car
- Mt. Daibosatsu ≈ 45 min by car
- Mt. Mitake ≈ 50 min by car
- Saruhashi Bridge ≈ 50 min by car
- Hossawa Falls ≈ 55 min by car
Travel times are rough estimates by car.
- Getting there
- Nishi Tokyo Bus from JR Okutama Sta. to Okutama-ko, about 15 min
- Fee
- Free
- Good to know
- No boating on the lake. The floating bridge may close at some water levels. Visitor center (Mizu to Midori no Fureaikan) 9:30–17:00, closed Wednesdays
- Time needed
- 1 h 30 min
Checked against the official Japanese website on 2026-10-15. Report outdated info