Archaeological sites in County Roscommon

Rathcroghan () is a complex of archaeological sites near Tulsk in County Roscommon, Ireland. It is identified as the site of Cruachan, the traditional capital of the Connachta, the prehistoric and early historic rulers of the western territory. The Rathcroghan Complex (Crúachan Aí) is an archaeological landscape with many references found in early Irish medieval manuscripts.

megalithic portal tomb in County Roscommon, Ireland

Rindoon () is an abandoned village located in County Roscommon, Ireland.

stone in La Tène style in Roscommon, Ireland