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Notable lake · Eastern Ontario, Ontario

Lac Sem

Lac Sem is a lake in Eastern Ontario, Ontario.

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Lac Sem: 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 Lac Sem

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 Lac Sem — distance from nearby cities

    Coordinates: 46.10056, -75.24861. Road distances are estimates; the road-trip planner uses real routes and adds stops worth the detour.

    Places to visit near Lac Sem

    See everything within a day’s drive of Lac Sem

    Other lakes, dams & reservoirs near Lac Sem

    All lakes, dams & reservoirs in Ontario

    © GeoNames (CC BY 4.0) · Wikidata (CC0)

    Frequently asked

    Is Lac Sem full? Are the gates open?

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

    What is the best time to visit Lac Sem?

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

    What are the places to visit near Lac Sem?

    Nearby: Lac Dummy (lake, 16 km), Lac des Îles (lake, 38 km), Barrage des Rapides-des-Cèdres (lake, 39 km), Grand lac Nominingue (lake, 53 km), Lac la Blanche (lake, 53 km), Lake Tremblant (lake, 63 km).

    Is Lac Sem worth visiting?

    Lac Sem is listed as a notable lake in Ontario on Spotwander.