Wicklow Heritage Guide

Rising 241 metres above the Irish Sea, Bray Head offers sweeping views across Dublin Bay. Designated a Special Area of Conservation, it is home to rich wildlife and fascinating geology – the rocks here were formed over 500 million years ago, when Ireland lay on the floor of an ancient sea south of the equator. The climb to the summit of Bray Head takes about 30 minutes through oak woodland and heath – and the views from the top are well worth the effort.

Look out for the large white cross on the summit. It's been guiding ships safely to shore since 1950.

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Tucked into the hillside beneath Bray Head, this medieval church ruin has watched over the Wicklow coastline for nearly 800 years. Raheen-a-Cluig, from the Irish Ráithín an Chloig meaning ‘little fort of the bell’, was once gifted to the Augustinian order by the Archbolds – a powerful local family who held lands across the area.

The church was originally built in the 12th or 13th century and partially restored in the 18th century, but today it lies in atmospheric ruin. Set on the northern slopes of Bray Head, it offers spectacular views over the Irish Sea. Visitors can still see traces of its doorway and the graceful round-headed windows that hint at its medieval origins.

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Take a stroll along one of Ireland's longest seafront promenades!

Built in the mid 1800s by famous engineer William Dargan, this mile-long walkway has welcomed millions of visitors seeking sea air and spectacular views. The bandstand still hosts summer concerts – just like it did when your great-great-grandparents might have visited.

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Step into a fairy tale at one of Ireland's oldest family homes.

The Brabazon family has lived at Killruddery House for over 400 years, and its magnificent 17th-century gardens – modelled on the Gardens of Versailles – are among the finest in Europe. Film fans may recognise the house from the 2004 movie Ella Enchanted or the hit TV series The Tudors (2007–2010).

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This eye-catching modern building became Bray's cultural heart when it opened in 2002. Built specially as an arts venue, the building's curved roof and floor-to-ceiling glass windows make it stand out on the streetscape. Inside, the flexible theatre space transforms to suit each performance – whether it's hosting a thunderous rock concert or an intimate Shakespeare play. The ‘black box’ auditorium can accommodate up to 342 audience members.

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The story of Powerscourt stretches back to the medieval castle that once stood on this site. It was established by the Anglo-Norman La Poer family, and from them Powerscourt takes its name – ‘Poer's Court’. Today, Powerscourt House stands majestically against the backdrop of the Sugar Loaf mountain, surrounded by 47 acres of formal gardens that took more than 150 years to perfect.

The house you see today dates from the 1740s and was designed by the famous architect Richard Castle. The Wingfield family, who acquired the estate in 1608, transformed it into a grand country retreat, designing elegant terraces inspired by the great estates of Europe. The Italian Garden, with its ornate fountains and statues, flows into a serene Japanese Garden with bamboo groves and traditional bridges.

Don't miss the pet cemetery – yes, really! The Wingfields loved their animals so much, they created a beautifully kept graveyard for their horses and dogs, complete with heartfelt epitaphs.

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This charming clock tower has been the heart of Enniskerry village since 1843. Commissioned by the Powerscourt family as a memorial, it stands proudly in the triangular village square, keeping time for the community for over 180 years.

Its elegant design complements the village's neat rows of terraced houses, all painted in cheerful colours. Enniskerry itself was a carefully planned estate village, created by the Wingfield family to house workers from the nearby Powerscourt Estate.

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Get ready for Ireland's highest waterfall!

At 121 metres tall, Powerscourt Waterfall tumbles dramatically down the mountainside, creating a natural spectacle that's been drawing visitors for over 200 years. The River Dargle begins its journey high in the Wicklow Mountains, percolating through blanket bog and gathering strength before taking this spectacular plunge. The Victorians built viewing platforms and walkways so visitors could experience the waterfall's power up close – and you can still follow those historic paths today.

The surrounding parkland is perfect for picnics, with ancient oak woods providing shelter and lots of wildlife interest. It was here at Powerscourt Estate that sika deer were first introduced to Ireland in 1860. Since that time the sika have interbred with the native Irish red deer. The mixed offspring from these animals can regularly be seen grazing nearby.

In winter, the waterfall sometimes freezes into a magical ice sculpture, while summer brings families to paddle in the pools below.

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Step into an enchanted woodland where ancient trees create a natural cathedral. Knocksink Woods is one of Ireland's most important nature reserves, protecting rare plants and wildlife that have thrived there for thousands of years.

The Glencullen River winds through the reserve, creating peaceful pools and supporting remarkably diverse woodland wildlife. The mixed woodland, dominated by sessile oak, provides habitats for abundant wildlife throughout the seasons.

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Built in 1806 as one of five barracks on Wicklow's Military Road to accommodate British soldiers, Glencree is now a global centre for conflict resolution and dialogue. From post-war Germany to Northern Ireland's peace process, its quiet halls have welcomed people searching for common ground.

Across the road from the barracks lies the German Military Cemetery – the only one of its kind in Ireland. Here lie the graves of German soldiers and civilians who lost their lives on Irish soil during the First and Second World Wars.

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Opened in 1906, this elegant Edwardian building was one of 80 libraries gifted to Ireland by American philanthropist Andrew Carnegie. It has survived revolution, civil war and the rise of the internet – all while remaining the beating heart of Greystones town.

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Greystones, Na Clocha Liatha (meaning ‘grey stones’), has always embraced the sea. The harbour wall – hand-built in the 1860s and rebuilt in the 2000s – still shields local boats from Atlantic storms.

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1. The Sugarloaf Way is a circular trail that loops around Wicklow's best-known mountain.
2. The Great Sugar Loaf is 501 m high. It's not the tallest mountain in Wicklow, but it sure is the most eye-catching!
3. Even though it has a pointy top, it's not a volcano. The Sugar Loaf is made of super-tough rock called quartzite that's over 500 million years old.
4. From the top, you can see Dublin Bay, the Wicklow Mountains and even the mountains of Wales across the Irish Sea on a clear day.
5. The trail is well-marked and perfect for most people – you don't need to be a hiking expert to enjoy it.
6. Walk through oak woods, heather-covered hills and quiet fields with stone walls and grazing sheep.
7. Watch out for red squirrels, foxes, deer – and birds from tiny wrens to big buzzards flying overhead.
8. Long ago, sugar was sold in big cone-shaped lumps called ‘sugar loaves’. The mountain looks just like one – how sweet!
9. The nearby village of Kilmacanogue is associated with Mocheanóg, an early Irish saint who founded a monastery there and had close associations with Glendalough.
10. Keep your eyes peeled for tiny mountain wildflowers like the white-coloured heath bedstraw and the yellow-coloured tormentil growing along the trail.

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This medieval castle stands proudly on a hilltop overlooking the Irish Sea, its weathered stone walls whispering tales of medieval life. Construction likely began around 1300 by Albert de Kenley, with the Archbold family later completing and expanding the structure in the 15th century.

This rectangular hall-house was designed to impress, allowing for spectacular views across the coastline – perfect for spotting approaching enemies or welcoming friends. Walk through the ruined chambers and you can still imagine the great hall where medieval feasts were held by firelight.

By the 1600s, the castle had fallen into ruin, and today it stands as a weathered reminder of medieval life in Wicklow.

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Just outside Roundwood lies the Vartry Reservoir. These calm, expansive lakes are a man-made feature, appearing on the landscape just over 160 years ago.

In the 1860s, a major engineering project was carried out here to solve Dublin's water crisis. Until then, many people in the city got their drinking water from polluted rivers and wells, leading to serious outbreaks of disease. The Vartry Water Scheme, supported by Dublin doctor and reformer Sir John Gray, changed that.

By building a dam on the River Vartry and piping water all the way to Dublin, this quiet Wicklow valley became the source of the capital's first clean water supply. The reservoir was expanded in the 1920s and now includes both Upper and Lower Vartry Reservoirs, which together can hold almost 17 billion litres of water.

Today, the Vartry reservoir is a haven for wildlife and a peaceful retreat for walking, cycling and birdwatching. Forest paths and lakeside trails wind through the area, making it a favourite escape for both locals and visitors.

Who was Sir John Gray?

Sir John Gray (1815–1875) was a doctor, politician and journalist who played a key role in bringing clean water to Dublin.

In the 1850s, poor sanitation and dirty water meant disease spread quickly in the city. Gray believed that access to clean water was a basic right, so he campaigned for a new water system to be built.

Thanks to his efforts, water from the Vartry Valley in Wicklow was piped to Dublin for the first time in 1868. It was a turning point for public health in Ireland's capital.

You can still see his statue today on O'Connell Street in Dublin, near the river he helped make safer. Just to note – the pigeon sometimes seen perched on his head is not a permanent fixture!

The bellmouth spillway

Vartry Reservoir has a dramatic circular opening in the water called a bellmouth spillway.

A reservoir collects rainwater and runoff from nearby hills. The water is held behind a dam and released gradually as needed. Before it reaches your tap, it travels to a treatment plant, where it's cleaned and made safe to drink.

But what happens when there's too much water? That's where the spillway comes in. Shaped like a giant plughole, it prevents flooding. When the water level rises too high, it pours into the opening, drops down a deep shaft and travels through underground tunnels before re-entering the river system downstream.

It's a simple but brilliant idea. Like the overflow in a sink, it releases excess water before it causes damage – protecting both the reservoir and the land around it.

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At 238 metres above sea level, Roundwood is one of Ireland's highest villages. Nestled between the Wicklow Mountains and the Vartry Valley, it's a peaceful place surrounded by walking trails, lakes and forest. Roundwood developed in the 18th and 19th centuries as a stopping point for travellers crossing the Wicklow Mountains.

Today, it's a popular base for exploring the nearby Wicklow Mountains National Park – including Lough Dan, Djouce Mountain and stretches of the Wicklow Way.

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Ireland's largest national park spans over 20,000 hectares of mountain peaks, blanket bog, woodland and pristine lakes. Established in 1991, it safeguards some of Europe's most important wildlife habitats. The information office at the Upper Lake in Glendalough is the ideal starting point for exploring marked trails, with routes for both novices and seasoned hikers. Keep watch for the peregrine falcon – the world's fastest bird – or wild goats, descendants of animals kept here centuries ago and still roaming the valley today.

Lough Tay

Lough Tay is privately owned by the Guinness family, who are said to have added white sand to its northern shore, giving the lake its iconic ‘pint of Guinness’ appearance.

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The Military Road: A Road Built for War

After the failed 1798 Rebellion, Irish rebels – including Michael Dwyer, the leader who held out in the Wicklow Mountains for years after the uprising – continued to resist British rule from the remote valleys of the Wicklow Mountains. To reach them, the British Army began building a new road through the heart of the mountains in August 1800.

This was one of the first purpose-built military roads in Ireland. While there were roads running east to west in the area, none ran north to south – making the uplands perfect for hiding. The new route sought to change that.

Engineer Captain Alexander Taylor led the work. Teams of soldiers carved the road through bog and rock using pickaxes, shovels and wheelbarrows. Bad weather made it even harder. Taylor spent nine years on the project, which stretched almost 60 km from Rathfarnham in Dublin to Aghavannagh in south Wicklow. It was completed in October 1809.

To secure the route, five barracks were built to house up to 100 soldiers each: Glencree, Laragh, Glenmalure, Aghavannagh and Glen of Imaal.

By the time the Military Road was finished, it was no longer needed – Dwyer had ended his campaign in 1803 and the threat of French invasion had faded by 1815 with the defeat of Napoleon.

What was once a military route is now one of Ireland's most scenic drives, drawing visitors to the same wild landscapes that once hid Irish rebels.

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This dramatic mountain pass (part of the Military Road) sits 503 metres above sea level and offers some of Ireland's most spectacular mountain scenery. The road that brings you here has quite a story – it was built by the British Army in 1800–1809 to help them track down Irish rebels hiding in the mountains after the 1798 Rebellion.

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Overlooking the stunning Lough Tay stands a quiet tribute to one of Ireland's most influential outdoor explorers.

This memorial honours JB Malone, a legendary mountaineer, writer and broadcaster who dedicated his life to promoting access to Ireland's hills and uplands. Known as one of the founding fathers of Irish hillwalking, JB didn't just walk the Wicklow Mountains – he mapped them, wrote about them and inspired generations to follow in his footsteps.

His bestselling guidebooks and tireless campaigning helped make places like Lough Tay and the surrounding peaks more accessible to walkers of all ages. Thanks to JB Malone, the Wicklow Way – Ireland's first long-distance walking route – became a reality.

Pause here, take in the view and remember the man who believed the mountains should be for everyone.

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Tucked within a dramatic glacial valley in the Wicklow Mountains, Glendalough – from Gleann Dá Loch, meaning ‘Valley of the Two Lakes’ – is one of Ireland's most evocative early Christian sites. Founded in the 6th century by Saint Kevin, a hermit and holy man, this once-remote retreat grew into a thriving monastic settlement renowned across Europe.

Over the centuries, Glendalough became a centre of pilgrimage, learning and religious devotion. Monks lived, worked and worshipped here for generations – leaving behind a remarkable complex of buildings that still inspire awe today.

The Round Tower

Rising almost 30 metres high, this iconic tower is over 1,000 years old and once served as a bell tower. Built on shallow foundations, its raised doorway added stability and allowed access by a wooden ladder that could be pulled up in times of danger.

Saint Kevin's Church (or ‘Saint Kevin's Kitchen’)

This unique stone-roofed church gets its nickname from the chimney-like round tower beside it – though it was never likely used for cooking! Built in the 11th or 12th century, St Kevin's Church remains one of the best-preserved structures on site.

The Cathedral

The largest and most complex ruin in Glendalough, the cathedral ruins reveal the scale and significance of this monastic settlement. Look for intricate archways, stone fonts and carved window details that hint at the site's former grandeur.

Grave Slabs and High Crosses

Wander through the graveyard to find centuries-old slabs and beautifully carved crosses. Look out for detailed crucifixion scenes by Dennis Cullen, one of Ireland's finest 18th-century stone carvers – and see if you can spot his signature!

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Saint Kevin

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Saint Kevin

Saint Kevin, known in Irish as Cóemgen (meaning ‘gentle-born’), was an early Irish Christian monk and hermit born around 498 AD. He is best remembered as the founder of Glendalough Monastery in the Wicklow Mountains.

Kevin came from a prominent Leinster family and was educated in the monastic tradition, possibly at Kilnamanagh and Clonard. Seeking solitude, he withdrew to the remote valley of Glendalough, where he lived in a cave known as Saint Kevin's Bed, praying and embracing a life of simplicity and reflection. Over time, followers gathered around him, and from this a thriving monastic community took shape.

Kevin died around 618 AD, reputedly at the age of 120, and was later venerated as a saint. His feast day is celebrated on 3 June. Many legends grew around his life, including tales of his closeness to nature and extraordinary patience – such as the story of him holding still while a blackbird built a nest and laid its eggs in his outstretched hand.

Saint Kevin remains one of Ireland's most beloved early saints, and Glendalough is both his legacy and his resting place.

After you've visited the monastic site, the Glendalough Visitor Centre, located nearby, offers the perfect place to dig deeper. Run by the Office of Public Works, the centre brings the history of this remarkable valley to life through exhibits, models and multimedia displays.

Step inside and you'll find a 3D scale model of the monastic site, interactive touchscreens and artefacts that help explain daily life here over a thousand years ago. A short film introduces the story of Saint Kevin and shows how Glendalough grew from a hermit's hideaway into one of Ireland's most important religious sites.

The Centre also provides regular guided tours throughout the day.

Saint Kevin's Bed

High above the Upper Lake lies a small man-made cave known as Saint Kevin's Bed. Tradition says Kevin lived and prayed here in solitude before followers gathered around him. The cave symbolises Glendalough's beginnings – a remote retreat that grew into one of Ireland's most important monastic centres.