An Grianán Theatre is the largest theatre in Letterkenny and in County Donegal with a seating capacity of 383. The theatre hosts a wide range of productions, including drama, comedy, music, etc. The theatre even provides workshops and classes. Each year it is used as a venue for the Earagail Arts Festival in June/July. The festival includes parades, street performances, plays, concerts, and comedy acts. The theatre is open to the public all day, and guests can also view the art exhibitions while they are there. Be sure to catch a local play here during your visit!