Loading Spotwander…Find the spots worth the detour.

Notable lake · Shimane Prefecture, Shimane Prefecture

Oonagami dam

大長見ダム

Oonagami dam is a lake in Shimane Prefecture, Shimane Prefecture.

Oonagami dam: crowds and conditions

Typical pattern: moderate; weekends busier. Been there recently? Post today’s status and it shows here for the next traveller.

Status options for this lake: Full / gates open · Low water level · Entry closed.

Best time to visit Oonagami dam

Season: August to December when reservoirs are full and gates may open.

Busiest days: Weekends and long holidays.

Crowd: Moderate; weekends busier.

Typical week: Mon light · Tue light · Wed light · Thu light · Fri light · Sat busy · Sun busy.

How to reach Oonagami dam — distance from nearby cities

    Coordinates: 34.82819, 132.10930. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Oonagami dam

    See everything within a day’s drive of Oonagami dam

    Other lakes, dams & reservoirs near Oonagami dam

    All lakes, dams & reservoirs in Shimane Prefecture

    Wikipedia · Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Is Oonagami dam full? Are the gates open?

    No visitor has reported the water level status for Oonagami dam yet. Typical pattern: moderate; weekends busier. Busiest: Weekends and long holidays.

    What is the best time to visit Oonagami dam?

    August to December when reservoirs are full and gates may open. Moderate; weekends busier.

    What are the places to visit near Oonagami dam?

    Nearby: Hamada Gokoku Shrine (temple, 11 km), 大麻山神社 (temple, 11 km), Umajima Island (river spot, 13 km), 三段滝 (waterfall, 29 km), Valle Sandan-kyo (viewpoint, 31 km), Ikō-ji Temple (Buddhist site, 35 km).

    Is Oonagami dam worth visiting?

    Oonagami dam is listed as a notable lake in Shimane Prefecture on Spotwander.