DSC_3508 Published October 1, 2014 at 500 × 333 in Fall Hiking Spots: Sweetwater Creek State Park ← Previous Next → The ruins of New Manchester Mill at Sweetwater Creek State Park in Lithia Springs on Monday, September 22, 2014. The ruins of New Manchester Mill at Sweetwater Creek State Park in Lithia Springs on Monday, September 22, 2014.