Attractions and places to see in Offaly include a diverse range of historical sites, expansive natural landscapes, and cultural experiences located in the heart of Ireland. The region is characterized by its ancient monastic settlements, significant castles, and unique natural features like the Slieve Bloom Mountains and transformed industrial landscapes. Offaly offers a variety of places to explore, from historical ruins to outdoor art installations. There are 53 highlights waiting to be discovered in the region.
Last updated: April 24, 2026
Highlight • Historical Site
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Highlight • Castle
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Highlight • Monument
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Highlight • Settlement
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Popular around Offaly
Grand Canal Greenway – cycling the heart of County Offaly
Slieve Bloom Way — Experience the Slieve Bloom Mountains
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Hiking in Offaly
Cycling in Offaly
Road Cycling Routes in Offaly
Running Trails in Offaly
MTB Trails in Offaly
On the ground of the 'Monastery Clonmacnoise' stands the Cathedral Temple McDermot. The north doorway often called the "Whispering Arch", dating to the mid-15th century. This ornate Gothic doorway dating to the fifteenth century is apparently a popular spot for wedding proposals. Folklore has it that the doorway once had a very unusual use: Lepers would stand at one side of the doorway and whisper their sins into the half pipe in the architrave. The priest would stand at the other side of the arch, far enough away to avoid infection, listening to the confession emerging from the architrave. https://www.sonicwonders.org/clonmacnoise-whispering-arch/ The cathedral is the largest of the churches at Clonmacnoise. Rory O'Connor, the last High King of Ireland, was buried near the altar in 1198, joining his father Turlough. Most of the graves currently seen in the church are those of the Coghlan family, whose patriarch extensively rebuilt the cathedral in the mid-seventeenth century.
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Birr Castle is a large privately owned castle which is the home of the 7th Earl of Rosse and his family so much of the residential areas of the castle are not open to the public. However the grounds and gardens are and this includes the on site science museum and café. Not any science museum though it is actually Ireland's Historic Science Centre. Here is also a reflecting telescope which was at one stage the largest in the world called the Leviathan. All in all it is very impressive, if you have the time go and see and visit.
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The sculptures and the whole sculpture display concept at the Lough Boora Parklands are awesome. It is meant to remind you that this are was once a peat bog and a lot of harvesting was done here. The amazing Sky Train sculpture is a reminder that they even used trains to transport the peat.
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Rarely does an imitation spread more magic than the original. But it is definitely the case here, as the replica is in the original location and the overall effect is much more magnificent than an exhibition in a museum hall.
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Birr Castle has been the seat of the Parsons family since 1620. The place was named Parsonstown after them until the late 19th century, when it was renamed Birr.
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Offaly is rich in history. A must-visit is Clonmacnoise Monastery, an ancient monastic settlement from the 6th century featuring ruins of a cathedral, churches, round towers, and high crosses. You can also explore Birr Castle, a 16th-century medieval fortress with a Historic Science Centre, or the 19th-century neo-Gothic Kinnitty Castle.
Yes, Offaly offers several family-friendly options. Birr Castle Demesne features extensive gardens, a large treehouse in its adventure area, and the Historic Science Centre. Lough Boora Discovery Park is another great choice, with walking and cycling trails, outdoor sculptures like the Sky Train, and a 1.5km Fairy Trail Loop for younger visitors.
Offaly boasts diverse natural beauty. The Slieve Bloom Mountains offer numerous walking and cycling trails, including the Slieve Bloom Way, with scenic views and forests. Lough Boora Discovery Park, a transformed industrial landscape, is ideal for nature enthusiasts with its trails and lakes. You can also explore Clara Bog Nature Reserve, one of Ireland's largest intact raised bogs, featuring boardwalks through its unique ecosystem.
You can enjoy various outdoor activities. For running, explore routes like the Grand Canal Greenway Loop or the Charleville Castle & Forest running loop. Hikers can find easy trails such as the Lough Boora Mesolithic Route or the Birr Castle Riverwalk Trail. Cyclists have options like the Daingean and Croghan Hill loop. Find more details on these activities in the Running Trails in Offaly, Easy hikes in Offaly, and Road Cycling Routes in Offaly guides.
Yes, Lough Boora Discovery Park is known for its outdoor sculptures that reflect the area's peat bog history. Highlights include the Sky Train, an abandoned train with a lock, the Boora Pyramid built from excavated stones, and the intriguing 60 Degrees sculpture.
The Slieve Bloom Mountains are best visited from spring through autumn for hiking and cycling, when the weather is milder and trails are more accessible. Lough Boora Discovery Park is enjoyable year-round, but spring and summer offer the best conditions for exploring its trails and sculptures. Always check local weather forecasts before your visit.
Yes, the Tullamore D.E.W. Distillery offers guided tours where you can learn about the history and production of Irish whiskey, including how it got its name, and enjoy a tasting experience. It's located near the town of Tullamore.
Beyond Birr Castle Demesne, which has extensive grounds and a science centre, you can also see Kinnitty Castle, a 13th-century castle now operating as a hotel, providing a historic base for exploring the region. Leap Castle and Charleville Castle are also notable for their history and unique character.
Tullamore is a vibrant town where you can visit the Tullamore D.E.W. Distillery for a whiskey tour. It's also home to the Offaly Heritage Centre, operated by the Offaly Historical and Archaeological Society, offering insights into local history. The town provides access to the Grand Canal Greenway for walking and cycling.
While not entirely hidden, Croghan Hill, an extinct volcano believed to be a Bronze Age burial site, offers a rewarding climb with historical significance. The Clara Bog Nature Reserve provides a unique ecological experience with its boardwalks through a pristine raised bog. Gloster House, an 18th-century Georgian mansion, also offers a glimpse into elegant history.
The River Shannon and Lough Derg are serene waterways that offer opportunities for cruising, angling, and various water activities. Towns like Banagher serve as excellent starting points for river adventures, allowing visitors to experience Offaly's natural beauty from a different perspective.
Within Clonmacnoise Monastery, you can find the famous Cross of the Scriptures, one of the best-preserved high crosses in Ireland. The site also features the Whispering Arch, Clonmacnoise Cathedral, and the ruins of several churches and a round tower, showcasing medieval Irish craftsmanship and religious architecture.


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