Tamlaght Finlagan is an ancient site located in County Londonderry, Northern Ireland. It is known for its historical significance, particularly as a burial ground and a place of worship. The site features a number of early Christian and medieval structures, including a church and grave markers. The name "Tamlaght" translates to "the burial place," reflecting its use over centuries. Archaeological findings at Tamlaght Finlagan provide insights into the region's early Christian heritage and the cultural practices of its inhabitants. The site is a valuable resource for understanding the history of Ireland and its early communities.