There is nothing to see. The ground above it is unbroken, the feature entirely infilled, leaving no depression, no lintel stone, no telltale hollow to catch the eye of a passing walker. That absence is, in its own way, the point.

A souterrain is an underground stone-lined passage or chamber, typically associated with early medieval settlement in Ireland, used variously for storage, refuge, or ventilation of adjacent structures. This one was connected by tradition to a cashel, a type of stone-walled enclosure that served as a farmstead or defended dwelling during the early Christian period. The cashel at Inches carries its own reference in the Cork record, suggesting the two features were understood as parts of the same settlement complex. By the time O'Brien documented the site in 1970, the souterrain had already been infilled, leaving only the tradition of its existence rather than any physical evidence a visitor might encounter.