A man and a woman are being questioned over the seizure of 100,000 euro of drugs.
Cannabis resin and weed were discovered in a forest near Avoca, Co Wicklow late on Tuesday afternoon.
The planned search was carried out after surveillance during the continuing operation targeting the sale and supply of controlled drugs in the Wicklow Division.
A 36-year-old man and a 23-year-old woman were arrested.
They are being detained at Arklow Garda Station under section 4 of The Criminal Justice Act.