The town"s skyline anchor
St Eunan"s Cathedral
Built between 1890 and 1901, the cathedral was designed to be seen from anywhere in Letterkenny. Neo-Gothic limestone, 60-metre spire, it sits at the top of Main Street like the town is the prayer and the cathedral is the answer. Dedicated to Saint Eunan (Éonan), a 6th-century monk. Local families still mark every life moment here — baptism, First Communion, wedding, funeral. The cathedral is the town's collective heartbeat made stone.
Summer on the Cathedral Quarter
Earagail Arts Festival
Running since 1987, Earagail (the Irish name for Errigal mountain) brings theatre, trad, visual art, and talks to the town in July and August. The festival turned the Cathedral Quarter into a living arts district — galleries opened, studios filled, restaurants improved. It's the cultural event for the whole northwest. Some years bigger than others, but it runs every summer, and it's the reason young artists stay here instead of leaving for Dublin.
The capital of a region that isn't a city
Letterkenny as northwest hub
Donegal has no city — just Letterkenny, ~20,000 people, which is the administrative and retail centre for the whole county and the transport hub for the northwest. The hospital is here. The colleges are here (LYIT Donegal, now merged into Atlantic Technological University). The county council is here. Bus Éireann's hub is here. The courthouse is here. Every northwesterner who needs something official comes to Letterkenny. It's a working town running on real work, not tourism.
Is it or isn't it the longest?
Main Street — the longest claim
The claim that Letterkenny's Main Street is the longest main street in Ireland is debated. It runs for 1.5 kilometres from the cathedral down to the bus station, straight and steady. Some say it's the longest. Some say Wexford's Main Street is longer. Some say it doesn't matter because both are just roads with shops. What matters is that you can walk the whole town in 15 minutes, that the street is functional and real, and that on a Friday evening it fills with actual people doing actual business.