Knockcroghery Fair is a festival held annually, generally on the third weekend in September, which attracts people from all over Ireland.

Gailey Bay on the shore of Lough Ree, stands Gailey Castle, built in the 14th century. Out in the lake is the island of Inishcleraun named after a sister of Queen Maeve, Clothra. Queen Maeve is said to have been killed here by an enemy while she was bathing.

Scregg House, seat of the Kelly family. On the grounds of the house are some excellent examples of Sheela na Gigs. The building itself is an example of a 3-storey 5-bay mid-18th century country house.

The Claypipe Visitor Centre
Situated in the centre of the village of Knockcroghery, it is a window into the unique history of the Knockcroghery with its prolific Claypipe industry and its demise. The village of Knockcroghery in County Roscommon, Ireland, was famous for almost 300 years for the production of clay pipes or "Dudeens".
The centre is open to visitors in the months of May until September. Admission is free.
Opening hours:
10:30am - 5:30pm
Tuesday to Saturday