Opening days in Donegal: what's closed on Monday and what's open every day

Showing up at a closed door is the classic trip-ruiner. Of the 5 top attractions in Donegal with known opening hours, 1 close on Monday. Pick a day to see what's open and what's closed.

Pick a day

Mon1 Tue Wed1 Thu1 Fri1 Sat Sun

Monday in Donegal

1 closed · 4 open

Closed on Monday

Slieve League CliffsAlso closed: Wed, Thu and Fri

Open on Monday

Closed-day plan B

Walking tours and day trips run every day of the week, museums or not. The easiest way to fill a day when the big sights are shut.

Opening days at a glance

Local time, 24-hour clock. Tap a sight for details and tickets.

	Mon	Tue	Wed	Thu	Fri	Sat	Sun
Slieve League Cliffs	✕	10–17	✕	✕	✕	9:30–16:30	9:30–16:30
Glenveagh National Park	9:15–17:15	9:15–17:15	9:15–17:15	9:15–17:15	9:15–17:15	9:15–17:15	9:15–17:15
Donegal Castle	9–16	9–16	9–16	9–16	9–16	9–16	9–16
Fanad Head Lighthouse	10–16	10–16	10–16	10–16	10–16	10–17	10–17
Glencolmcille Folk Village	10–18	10–18	10–18	10–18	10–18	10–18	10–18

Frequently asked questions

Are museums and attractions in Donegal closed on Monday?

Some are. 1 of the 5 top sights in Donegal with known hours close on Monday: Slieve League Cliffs. The other 4 are open.

What is open on Sunday in Donegal?

On Sunday, 5 of the 5 top sights in Donegal are open: Slieve League Cliffs, Glenveagh National Park, Donegal Castle, Fanad Head Lighthouse, Glencolmcille Folk Village.

Which attractions in Donegal are open every day?

4 top sights in Donegal are open all seven days: Glenveagh National Park, Donegal Castle, Fanad Head Lighthouse, Glencolmcille Folk Village.

Opening days from Google Maps (checked 2026-03-17). Public holidays, strikes and seasonal hours can differ — check the official website before you go. Times are local (Europe/Dublin).

All things to do in Donegal