County Fermanagh
Lakeland county of islands and caves
About Fermanagh
County Fermanagh is Ireland's lakeland paradise - a third of the county is water. The vast Lough Erne system with its hundreds of islands defines this unique landscape.
Why Visit Fermanagh?
Water, islands, and underground wonders:
- Lough Erne - Upper and Lower lakes with 154 islands
- Marble Arch Caves - Ireland's finest show caves
- Island heritage - Monastic ruins on Devenish and Boa
- Enniskillen - Historic island town
- UNESCO Geopark - Marble Arch Caves Global Geopark
Top Attractions
Lough Erne
Upper and Lower Lough Erne form one of Europe's great lake systems. Cruise, kayak, or fish these island-dotted waters.
Marble Arch Caves
A spectacular underground world of rivers, waterfalls, and formations. Boat trips through the caves are unforgettable.
Enniskillen
A handsome town on an island between the lakes. Enniskillen Castle and the regimental museum tell local stories.
Devenish Island
A 6th-century monastic site with one of Ireland's finest round towers. Reach it by ferry from Trory Point.
Cuilcagh Mountain
The famous boardwalk to the summit - shared with County Cavan. Part of the UNESCO Global Geopark.
Best Time to Visit
- Spring (March-May): Wildflowers, quieter waterways
- Summer (June-August): Best for boating and water activities
- Autumn (September-October): Golden lakeland scenery
- Winter (November-February): Caves year-round; dramatic landscapes
Getting Around
Enniskillen is the natural base. Boats can be hired to explore the lakes - no experience needed.
Local Tips
- Boat hire is easier than you'd think - no license required
- The caves are cool - bring a layer even in summer
- Devenish ferry runs seasonally - check times
- Florence Court and Castle Coole (National Trust) are nearby
Things to do in Fermanagh
Popular tours and experiences you can book ahead of your visit.
The tour listings is provided by GetYourGuide, which sets its own cookies. Turn on booking widgets to load it.
We may earn a small commission if you book through these links, at no extra cost to you.
Quick Info
- Province:Ulster
- Top attractions:5


