OPEN SEASON: March 1st – October 12th Lough O’Flynn is a 300 acre rich limestone lake located in Co Roscommon just north of Ballinlough village. There are good stocks of wild and stocked brown trout averaging about 1.5 lbs with fish to 3 to 4lbs sometimes caught. Lough O’Flynn is renowned for its prolific hatches … Continue reading Lough O’Flynn, Co. Roscommon