Letterkenny, the largest city in County Donegal with a population of over 20,000 people, is rich with Irish culture, including theatres and festivals. If you stop by Letterkenny and want to catch a play, be sure to stop by An Grianán Theatre, the largest theatre in County Donegal. The theatre is used to host the annual Earagail Arts Festival in June/July. The festival includes parades, performances, plays, concerts, comedy acts, etc. There are also plenty of other festivals and events occurring in Letterkenny throughout the year, such as the St Patrick’s Day Parade, the North West 10k in May, the Donegal International Rally in June, and the Donegal Harvest Rally in October. If you want to experience Irish music, Letterkenny is the place to be since the town has an active music scene. If you need a break from all the adventures of the Wild Atlantic Way and go on a night out, Letterkenny has just that for you. The town has quite the popular nightlife, with several nightclubs and pubs along Main Street.