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The Marble Arch Caves – County Fermanagh

One of Ireland’s best kept secret(s) for over 340 million years!

Many people are not aware that hidden beneath the mountains and woodlands of west Fermanagh is a magical world of caverns, sinkholes and underground rivers.


There are over 50 miles of wild cave systems within this small remote region of west Fermanagh. They lay undisturbed for thousands of years, until…1895, when two explorers ( Edouard-Alfred Martel & Lister Jameson) disturbed the silence of the caves and the first beam of light pierced the darkness. The landscape (Karst Landscape) in which the Marble Arch Caves formed covers an estimated 20% of the worlds land surface. However, thousands of cave systems remain undiscovered or unexplored to this day!
Édouard-Alfred Martel

Superstition and fear kept the caves free from visitors and complete darkness prevailed until 1895 when two intrepid explorers disturbed the silence and natural order of the caves. The  first beam of light pierced the blackness, breaking the long sleep of the Marble Arch Caves.

The caves are one of the most active river cave system in Ireland and the UK and is formed from three rivers draining off the Northern slopes of Cuilcagh Mountain. The cave system is 7.1miles/11km long with over 1mile/1.5km developed into a show cave. Carefully constructed paths enables you to comfortably traverse the Marble Arch Caves whilst discrete lighting displays the cave features and delicate cave formations to their best.

The standard guided cave tour is the Owenbrean River -Walking Cave Tour:
Explore this underworld labyrinth as you trace the journey of the Owenbrean River and discover its energy as the waters gurgle and splash venturing deeper into the black abyss. Enlighten your senses as you smell, hear and feel this active living cave around you! This exciting tour follows the Yorkshire Ramblers exploratory route of 1935 past hidden tunnels, still pools, delicate formations and stunning reflections.

  • Duration: 60 minutes
  • Fitness: Average fitness Steps: 154 on exit of show cave
  • Distance: 1.5 km Walking Tour (mixture of concrete path, boardwalk and stepped sections)

Booking Details

Opening Times:

  • Car Park and toilets at Marble Arch Caves Visitor Centre – 10:00am to 4:00pm (Daily)
  • Marble Arch Café – from Saturday 1st May – 10:00am to 4:00pm (Daily) – Takeaway Only


  • Above ground outdoor experiences will resume from Friday 30 April
  • Guided Cave Tours will resume from Monday 24 May (to be booked in advance)

For information and guidance visit here

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