The Burren is a 250 km² expanse of exposed Carboniferous limestone pavement across north Clare and south Galway. The name comes from the Irish Boireann, meaning rocky place, and that's an accurate description — from a distance it looks like a grey lunar plateau. Up close it's extraordinary: the cracks (grykes) between the limestone slabs (clints) shelter a flora that has no parallel in Europe, with arctic-alpine and Mediterranean plants growing within metres of each other.
Geologically, the Burren is a series of flat-topped hills with terraced limestone slopes, formed from ancient seafloor sediments laid down 340 million years ago. The landscape was shaped by glaciers during the last Ice Age, which stripped the topsoil and left the bare pavements. Around 70% of Ireland's native plant species grow here — roughly 600 in all, including more than 20 of Ireland's 27 native orchid species and the spring gentian, a vivid blue flower otherwise associated with the Alps. The best flowering season is May and June.
The Burren National Park (15 km² of the total area) is centred on Mullaghmore mountain near Corofin and has a free visitor centre at Kilfenora. But the Burren extends well beyond the park boundary — the road from Ballyvaughan to Lisdoonvarna (R480) passes through the heart of it and offers easy roadside access to the pavement. Allow a half day minimum; a full day if you want to walk properly. The Burren Perfumery at Carron is a good stop for lunch. Poulnabrone Dolmen, a 5,500-year-old portal tomb, is visible from the main road and takes 20 minutes as a standalone stop.
Highlights
- One of only three karst landscapes in the world where arctic, alpine and Mediterranean plants grow together
- Six species of wild orchid flower across the limestone in May and June
- Poulnabrone Dolmen — a 5,500-year-old portal tomb that can be reached in 5 minutes from the car park
- The Burren National Park at Mullaghmore is free to enter and has well-marked walking trails
- Over 400 km of dry-stone walls crisscross the landscape, built without mortar over centuries
Good to know
- →The R480 from Ballyvaughan to Lisdoonvarna is the best drive through the Burren — slow down and pull off at the limestone pavement sections.
- →Poulnabrone Dolmen is visible from the road and the car park is free. 20 minutes is enough if you're passing through.
- →May and June are the best months for wildflowers. The spring gentian (vivid blue) flowers in April–May.
- →The Burren Perfumery at Carron has a good café and is a quiet alternative to the main tourist route.
- →The Burren is not a single viewpoint — it's a landscape to drive and walk through. Don't treat it as a tick-box stop.
Best Time to Visit
Apr–Jun for wildflowers — rare orchids and spring gentians bloom on the limestone pavements. Visitor numbers are lower than summer and the walking conditions are more comfortable in mild spring weather.
Getting There
Common questions
Is the Burren free to visit?
The Burren itself is open landscape — the limestone pavement, walking trails and scenic roads are all free to access. The Burren National Park at Mullaghmore has a free visitor centre. Individual sites like Poulnabrone Dolmen have free car parks. The guided walks available via Viator cost extra and are optional.
What is the best way to explore the Burren?
A car is by far the best option. The R480 from Ballyvaughan to Lisdoonvarna passes through the most dramatic limestone pavements and offers easy roadside pull-offs. Poulnabrone Dolmen and the Burren National Park at Mullaghmore are the two most worthwhile stops. Allow a half-day minimum; a full day if you want to walk properly.
When is the best time to visit the Burren for wildflowers?
May and June are peak wildflower season. The spring gentian — a vivid blue flower that grows here and almost nowhere else in Europe — blooms in May. Six species of wild orchid also flower across the limestone in May and June. The landscape is interesting year-round, but spring is genuinely exceptional.
How far is the Burren from the Cliffs of Moher?
The Burren begins about 10km inland from the Cliffs of Moher. Most visitors combine both in a single day: Cliffs in the morning, Burren in the afternoon (or vice versa). Doolin, 5km from the Cliffs, sits on the edge of the Burren and makes a good base for both.
What is Poulnabrone Dolmen and is it worth visiting?
Poulnabrone is a 5,500-year-old portal tomb — an ancient stone burial monument that predates Stonehenge. It stands right beside the R480 road with a free car park, and the walk from car to dolmen takes five minutes. It is genuinely impressive and takes 20 minutes as a standalone stop.
Where to Stay
Nearby Attractions
Book this experience
Burren small-group e-bike tour
Small-group guided e-bike tour through the Burren's limestone hills from Kilfenora — the karst pavement, wildflowers and hidden green roads. The National Park itself is free to walk.
Book now →Quick Facts
- Type
- Nature
- County
- Co. Clare
- Province
- Munster
- Entry
- Free
- Hours
- Open landscape — accessible year-round
- Allow
- Half day to full day
Destination guide
Wild Atlantic Way
Itinerary, best stops and local tips for West Coast · Ireland.
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