WELCOME TO THE UNDERGROUND - Cannabis Shops In Ontario


Cannabis Shops &

Dispensaries In Ontario

8 Cannabis Shop Locations To Serve You

  • Tillsonburg, Ont


    107 Concession St. E.

    Tillsonburg, Ontario

    N4G 4W4

    519-914-7687


    Shop Now

  • 8 Cannabis Shop Locations To Serve You

    Ontario Authorized Cannabis Shop Logo

    All "The Underground" locations are 100% Ontario Authorized.

    100% Ontario Authorized

    This seal gives our customers the peace of mind and confidence that the cannabis products they purchase from us are 100% safe and pass the stringent safeguards mandated by the Ontario Government.

    We work closely with the Alcohol and Gaming Commission of Ontario (AGCO) to ensure we adhere to all provincial regulations.

    You can check the status of our cannabis retail stores by visiting the AGCO website, or by clicking here.

    Check Status

    A Passion For Cannabis

    At The Underground, we've been dedicated to the safety, education & satisfaction of all cannabis users since 2014.


    That is why we pride ourselves on serving only the finest & safest cannabis products, accessories and provide accurate cannabis information.

    Click the button below to read more about us,
    our story & the passion that fuels The Underground.

    Read Our Story
    The Underground Cannabis & Weed Dispensary Ontario Leaf In Sky
    Share by: