What makes it worth pausing over is the sheer density of the immediate landscape: another ringfort of the same type lies just 130 metres to the south-east, suggesting that this stretch of Westmeath was once far more intensively settled and organised than its present emptiness implies.

The monument itself is a rath, the most common form of early medieval enclosure in Ireland, typically constructed between roughly the fifth and twelfth centuries as a farmstead or high-status residence. A rath consists of a raised circular bank, sometimes reinforced with stone, enclosing a central living area, with a fosse, or ditch, dug around the outside to provide both the raw material for the bank and a degree of defensive depth. At Brittas, the bank and its wide external fosse are well preserved along much of the circuit, with the fosse taking a U-shaped profile that remains clearly visible from the south-west around to the north. The interior, which slopes gently southward, still carries faint traces of cultivation ridges running west-north-west to east-south-east, evidence of agricultural activity within the enclosure at some point in its history. The south-east quadrant has suffered some quarrying damage, and a field fence cuts across the north-western perimeter, the ordinary injuries of centuries of farming around and through a feature that gradually lost its original meaning.

The site sits on a slight hillock with open views ranging from the south-east to the south-west, a positioning that would have made practical sense for any early medieval household keeping watch over livestock or marking out territory. The townland boundary with Loughagar More runs along a road just 40 metres to the east, a reminder that these ancient enclosures often ended up embedded in, and sometimes defining, later administrative geographies long after their original inhabitants were forgotten.