Piatra Roşie, which means Red Rock, was a Dacian hill fort two days march to the west from Costeşti-Cetăţuie fortress, at Luncani in Boşorod municipality. It was built in two phases. In the first phase a long (102 m) rectangular main citadel was built at the height of land with watch towers on each end and two outlying watch towers. Later the larger area inside the watch towers was enclosed with walls. It appears that the hilltop was flattened in the process in order to produce a usable space.
According to the UNESCO site: "The Luncani Piatra Roşie fortress consists of two fortified enclosures on the eastern slope of a rocky massif. The earlier and smaller of the two has corner bastions. In the interior there is an apsidal timber-framed barrack block with two rooms. To the north and outside the defences there were two buildings on the site of an earlier sanctuary. The second enceinte dates from the late 1st century AD."
