Possible RATH & Man-made underground passage in Drumnagee

Beneath Drumnagee, a man-made passage cuts through ancient earth, possibly serving a rath whose walls have vanished. The uncertainty preserves its mystery: someone dug through solid ground instead of building above it, suggesting urgency, secrecy or belief that underground movement mattered more than visible strength. That hidden choice transforms ordinary soil into a chamber of human intent, waiting for patience rather than force.