Loading Spotwander…Find the spots worth the detour.

Notable lake · Garfield, Montana

Ol John Dam

Ol John Dam is a lake in Garfield, Montana.

Open on the map＋ Add to tripDay trip from herePlan a road tripGoogle Maps ↗

Ol John 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 Ol John 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 Ol John Dam — distance from nearby cities

    Coordinates: 47.17792, -106.33569. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Ol John Dam

    See everything within a day’s drive of Ol John Dam

    Other lakes, dams & reservoirs near Ol John Dam

    All lakes, dams & reservoirs in Montana

    Map data © OpenStreetMap contributors (ODbL)

    Frequently asked

    Is Ol John Dam full? Are the gates open?

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

    What is the best time to visit Ol John Dam?

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

    What are the places to visit near Ol John Dam?

    Nearby: Dinosaurs Historical Marker (park, 26 km), Bank Dam (lake, 3 km), Steffins Number 1 Dam (lake, 5 km), Garhart Dam (lake, 7 km), Hawks Nest Number 1 Dam (lake, 10 km), Ross Number 2 Dam (lake, 12 km).

    Is Ol John Dam worth visiting?

    Ol John Dam is listed as a notable lake in Montana on Spotwander.