Home › Venues › Early Summer Jamboree Early Summer Jamboree Tickets Buy tickets for concerts at Early Summer Jamboree in Kalkaska County, MI. No Upcoming Events No upcoming events scheduled at Early Summer Jamboree. Please contact us with any corrections. Hotels & Lodging Near Early Summer Jamboree About the Venue Early Summer Jamboree At-a-Glance AddressBrokedown Palace FarmsKalkaska County, MI 49646United States Map & Directions Advertisement