- Roscommon Agricultural Show (15 August, Hannon’s Grounds, Athlone Road): The 54th annual show with livestock and horse competitions, crops, cookery, arts & crafts, a dog show, and family entertainment celebrating rural life.
- Ballaghaderreen Arts Festival (early August, Ballaghaderreen): A community arts festival featuring music, exhibitions, drama, comedy, sport, and local events.
- National Heritage Week in Roscommon (15–23 August) includes walks, talks, exhibitions, and heritage activities across the county. Additional local shows and smaller gatherings may occur.
Annual & recurring festivals
County Roscommon is a land of kings and high crosses, hosting festivals that celebrate its royal Gaelic history, literary heritage, and the scenic River Shannon.
- Roscommon Drama Festival (March): A competitive amateur drama festival held at the Roscommon Arts Centre featuring top-tier theatrical groups from across Ireland.
- Percy French Festival (July): An annual celebration of the life and work of the famous songwriter, painter, and entertainer at Castlecoote House.
- O’Carolan Harp Festival (August): A world-renowned traditional music festival in Keadue celebrating the legendary harper Turlough O’Carolan with competitions and concerts.
- Boyle Arts Festival (July): One of Ireland’s premier regional arts events, featuring a massive program of visual arts, classical music, and literature in the historic town of Boyle.
- Elphin Agricultural Show (September): A traditional rural showcase in the shadow of the Elphin Windmill featuring livestock competitions, home industries, and local crafts.
- Castlerea Rose Festival (July/August): A massive family-friendly community festival featuring live open-air music, street markets, and a local “Rose” competition.
- National Heritage Week in Roscommon (third week in August) features walks, talks, exhibitions, and activities across the county.
- Douglas Hyde Conference (September): A heritage and literary gathering in Frenchpark celebrating the first President of Ireland and his efforts to revive the Irish language.
- Strokestown Agricultural Show (September): One of the largest agricultural events in the West, featuring over 100 classes of cattle and sheep alongside food and craft marquees.
- Strokestown International Poetry Festival (May): A prestigious literary event held at Strokestown Park House attracting poets from across the globe for readings and prizes.
- Lough Ree Monster Festival (August): A quirky community festival in Lanesborough-Ballyleague celebrating the legendary lake monster with water sports and music.
- Ballaghaderreen Arts Festival (August): A community-led celebration featuring local art exhibitions, street performances, and traditional music sessions.
- Roscommon Lamb Festival (May): A flagship food and farming festival in Roscommon Town celebrating the local sheep farming heritage with BBQ competitions and craft fairs.
- Christmas at Strokestown Park (December): A festive experience at the historic Palladian mansion featuring traditional Victorian Christmas tours and artisan markets.
Festivals
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Roscommon:
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