The Iron Gates Mesolithic is a Mesolithic archaeological culture, dating to between 13,000 and 6,000 years cal BCE, in the Iron Gates region of the Danube River, in modern Romania and Serbia. The people who inhabited the Iron Gates area during this period of time have been surmised, through archaeological discoveries, to have lived a hunter-gatherer lifestyle, living off food they gather from land or from the Danube River. Varying burial practices have also been observed by these people.