Lake Cumberland Bluegrass Festival – Indian Hills KOA, 1441 Hwy 1383, Russell Springs, KY, Fri 6pm-9pm & Sat 2pm-9pm CENTRAL TIME. The Lake Cumberland Bluegrass Festival is a great, family friendly event that is held at the Indian Hills KOA each year. Each year some of the best National, Regional & local talent bring you one of the best Bluegrass Festivals around. One of Saturday’s headliners will be the Lost River Band. Tickets for sale at the gate. Info 800-562-5617 or https://facebook.com/lcbluegrassfest/?business_id=611997722507531.