FORT SISSETON HISTORIC STATE PARK 2024 EVENTS HISTORICAL FESTIVAL MAY 31-JUNE 2 NORTHERN FORT PLAYHOUSE WEEKENDS IN JULY HARVEST FESTIVAL SEPTEMBER 21 HAUNTED FORT OCTOBER 18-19 FRONTIER CHRISTMAS DECEMBER 14 FORT SISSETON HISTORIC STATE PARK Fort Sisseton Historic State Park is ten miles southwest of Lake City off SD Highway 10. GFP.SD.GOV/FORT-SISSETON 605.448.5474 SOUTH DAKOTA Game, Fish & Parks FORT SISSETON HISTORIC STATE PARK 2024 EVENTS HISTORICAL FESTIVAL MAY 31 - JUNE 2 NORTHERN FORT PLAYHOUSE WEEKENDS IN JULY HARVEST FESTIVAL SEPTEMBER 21 HAUNTED FORT OCTOBER 18-19 FRONTIER CHRISTMAS DECEMBER 14 FORT SISSETON HISTORIC STATE PARK Fort Sisseton Historic State Park is ten miles southwest of Lake City off SD Highway 10 . GFP.SD.GOV/FORT-SISSETON 605.448.5474 SOUTH DAKOTA Game , Fish & Parks