The county town Roscommon is an important road junction and a good touring centre. It mainly occupies the southern slopes of a gentle hill, and took its name and origin from St. Coman, who founded a monastery here in early Christian times.
Knockcroghery was once a place of execution. Galey Castle, built in the 14th century is situated beyond the village and near the shore of Galey Bay. Out in the lake is the island of Inishcleraun which is the site of a monastery founded by St. Diarmait in 540.
Boyle is one of the major towns of County Roscommon, Boyle is situated at the base of the Curlew Hills and the north bank of the river Boyle. It is a good tourist spot with outdoor sports facility like golf , tennis, and lake fishing.
Castlerea is one of the important town in County Roscommon. Castlerea is pleasantly situated in wooded country on the banks of the Suck. Castlerea is also the birthplace of Sir William Wilde.