Wild Swim Atlas

    Horsetooth Reservoir

    Horsetooth Reservoir County Park, Masonville, ColoradoLakeSwim beaches available

    Directions
    Getting there

    Reservoir with designated swim beaches, camping, boating and picnicking west of Fort Collins.

    Water
    Lake
    Entry
    Entrance and camping permits required.
    Swim hours
    Open year round.
    Facilities
    Swim beach, camping, picnicking, marina
    Dogs
    Dogs are not allowed at the swim beaches.
    Managed by
    Larimer County manages recreation; the Bureau of Reclamation and Northern Colorado Water Conservancy District jointly operate the reservoir.

    When you can swim

    Open to swimmersClosed to swimmers

    Getting there

    The South Bay entrance, including the swim beach, is at the south end of the reservoir. From Denver, follow signs to the South Bay entrance.

    40.5329, -105.1806

    Get directions

    Rules to know before you go

    • Do not cliff-dive or jump into the water.
    • Do not bring dogs to the swim beaches.

    Swimming spots nearby

    All of Colorado
    Swimming permitted10 mi

    Boyd Lake

    Lake
    Boyd Lake State Park, Loveland
    Swim at beach95 mi

    Steamboat Lake

    Lake
    Steamboat Lake State Park, Small Island

    Questions about Horsetooth Reservoir

    Can you swim at Horsetooth Reservoir?

    Yes. Public swimming is available at the designated swim beaches. The swim beaches are seasonal, while the reservoir is open year round.

    Does it cost anything to swim at Horsetooth Reservoir?

    Entrance and camping permits required.

    Are dogs allowed at Horsetooth Reservoir?

    Dogs are not allowed at the swim beaches.

    Something changed at Horsetooth Reservoir? Closures and new rules help everyone.Report a change
    DirectionsOfficial site