Gardaí have seized suspected cannabis plants which they said were worth about €112,000 following the search of a house in Glenbeigh, Co Kerry, on Sunday.
A further amount of suspected cannabis herb worth as much as €80,000 pending analysis was also seized.
Gardaí from the Killarney district said they executed a search warrant at 8pm and discovered a sophisticated grow house in operation. The combined value of plants and herb was about €192,000.
The scene was preserved for technical examination, no arrests have been made and the investigation is ongoing.