It is not the kind of place that announces itself. The evidence amounts to a single oval pit, roughly 60 centimetres across, filled with charcoal-rich soil and fragments of burnt stone, and even that much was partially destroyed before anyone had a chance to properly examine it.

The discovery came to light in 2009, during pre-development testing carried out under licence No. 09E0420 by Colm Moriarty of Moriarty and Gowen. Working through Trench 6 of the site, the excavators uncovered the pit, recorded as feature F8, and noted that its fill closely resembled what archaeologists call burnt mound material. Burnt mounds are among the most common prehistoric monument types found across Ireland and Britain; they typically consist of accumulations of fire-cracked stone and charcoal, and are generally interpreted as the debris from a cooking method in which stones were heated in a fire and then dropped into a water-filled trough to bring it to the boil. The pit at Collegeland fits that pattern, leading Moriarty to suggest it may represent a cooking trough, though the site's condition complicated any firm conclusion. The western side of the pit had been heavily truncated by a later north-south gully or furrow, cutting away much of the original feature before it could be fully understood. The field itself sits in poorly drained ground prone to flooding, close to the Camac, which is precisely the kind of low-lying, water-adjacent landscape where burnt mound activity tends to cluster.

There is little here to reward a casual visitor in the conventional sense. The site lies in agricultural land and the archaeological feature itself is no longer visible at the surface. What remains is more an entry in the record than a place to stand and observe. The value is in knowing it exists: that beneath an ordinary stubble field, a smear of charcoal and fire-cracked stone quietly marks a moment of activity, prehistoric in all likelihood, in a corner of County Dublin that the Camac still regularly floods.