Glenbrook is a village in Co Cork. It is located along the River Lee in the townland of Lackaroe, between Passage West and Monkstown. Monkstown, Glenbrook and Passage West are three close-knit villages side by side along the harbour R610 route. Monkstown is well known for its 18-hole Golf Course, deep-sea fishing, sailing club, restaurants and pubs. The Cross River Ferry at Glenbrook conveniently links the Owenabue Valley with East Cork, Fota Island and Cobh.