Within roughly 175 metres, three ringforts, one of them possibly so, sit in close proximity on this stretch of rolling Galway pastureland, which is an unusually dense clustering for enclosures that are typically read as the remains of individual farmsteads.

A rath, in basic terms, is a roughly circular earthen enclosure, built during the early medieval period and used as a defended farmstead or the seat of a local farming family. The Tomany Beg example is circular, measuring 33 metres in diameter, and is defined by a low earthen bank that is now densely overgrown with vegetation. The bank itself is modest but measurable: about 3.2 metres wide, rising to just 0.6 metres on the interior and 1.2 metres on the exterior, giving a sense of what was once a more pronounced boundary between the enclosed space and the surrounding land. It sits on a hillock, which would have offered a slight but practical advantage in terms of visibility and drainage. The eastern side of the bank has been partially overlain by a later field wall, the kind of incremental landscape reuse that makes Irish farmland such a layered record of continuous occupation. The two neighbouring enclosures lie to the west, one approximately 35 metres away, the other around 175 metres distant, close enough to suggest that whatever community used this hillock in the early medieval period was not isolated but part of a denser local pattern of settlement.