Diekirch is one of those small towns that hide much more than they let on. On the banks of the river Sûre, at the gateway to the Luxembourg Ardennes, it combines a surprising Roman past, a wartime history that marked it forever and an identity closely tied to beer, as this is where the popular Diekirch, one of the country's best-known brands, is brewed. It's quiet, pleasant and perfect as a base for discovering the region.
Its big draw is the National Museum of Military History (MNHM), one of the country's best museums on the Second World War and, in particular, on the Battle of the Bulge in the winter of 1944-45, which devastated this part of Luxembourg. With impressive life-size dioramas, vehicles, uniforms and objects, it's a highly recommended visit for understanding what happened here. Add to that the 3rd-4th century Roman mosaics and the enigmatic Deiwelselter, a dolmen on a hilltop.
This guide explores Diekirch with a practical, friendly eye: the military museum, the Roman mosaics, the old church of St Laurence and its crypt, the Deiwelselter, the old town and its beer culture, plus how to get there (by train, for free) from the capital and how to use Diekirch as a base for exploring the Ardennes. An ideal destination for history lovers, with the convenience of a well-connected, human-scale town.
Diekirch is one of Luxembourg's oldest towns: there was an important Roman settlement here, from which 3rd-4th century mosaics survive, and an early Christian church, St Laurence, built over Roman remains, with ancient sarcophagi in its crypt. On a nearby hill stands the Deiwelselter ('Devil's Altar'), a legend-shrouded dolmen attributed to the Celts. The town grew in the Middle Ages on the banks of the Sûre and, in modern times, became famous for its brewery. Its most dramatic chapter was the Battle of the Bulge in 1944-45, when it found itself on the front line; today its National Museum of Military History keeps that memory alive. We tell the whole story on our history page.
Read the full history ↓The hilly, wooded north, the Éislek: the Luxembourg of castles (Vianden, Bourscheid, Clervaux) and of the scars of war, with the Battle of the Bulge, the 1942 strike in Wiltz and the Patton memorial.
Read the history of The Ardennes (Éislek) →A local guide tells you in half an hour what no sign at the site will ever explain. We look ours up on Civitatis: guided in Spanish and booked online with no fuss. They have 9 activities in Larochette. And there are free tours here: you book without paying and tip the guide whatever you think at the end, so trying one costs you nothing. Have a look below: tap any of them to see them all.
They depart from Larochette, 10 km away. If you book from this link we earn a commission and you pay no more.
No exact prices: a scale from $ (budget) to $$$$$ (luxury), with 2-3 options per category.
Origins, formation and what the sources say.
Diekirch's history begins long before that of most Luxembourg towns, and it begins wrapped in mystery. On a wooded hill south of the old town stands the Deiwelselter, the 'Devil's Altar': a group of large stone blocks forming a kind of arch or dolmen. Popular tradition attributes it to the Celts and surrounds it with legends, starting with its very name, which points to people's inability to explain who built such a structure, or how.
The historical reality is more nuanced. The form of the monument we see today is largely the result of a 19th-century reconstruction with commemorative and patriotic aims, at the height of Romanticism and the search for ancient roots for the nations. Even so, the place has an undeniable aura, and the whole Diekirch area was inhabited from prehistoric and protohistoric times: Celtic peoples (the Treveri and other tribes) lived in the Sûre region before Rome arrived.
Legend aside, the Deiwelselter has become a symbol of Diekirch and a superb viewpoint over the town and the valley. Its mystery, whether real or constructed, ties in with a deeper truth: this corner of the Ardennes, on the banks of a river and at a crossroads of natural routes, was inhabited and prized from very remote times, long before anything resembling a town existed.
The great documented leap in Diekirch's history came with Rome. After Julius Caesar's conquest of Gaul in the 1st century BC, the whole region became part of the Empire, and the Sûre valley, a natural communication route, filled with villae, farms and settlements. Diekirch was one of those prosperous places: excavations have uncovered high-quality Roman mosaics, dated to around the 3rd-4th centuries, which decorated a luxurious villa or building and are today among the town's treasures.
The most famous of these mosaics shows a head that seems to change expression depending on the angle from which you look at it, an artistic sophistication that speaks of its owners' standard of living. These finds, along with coins, pottery and other objects, are kept in the City History Museum and show that Diekirch was a Roman settlement of some importance in north-eastern Gallia Belgica, linked to the routes connecting the Rhine with the interior.
Romanisation left a deep mark. When the Empire fell into crisis and the invasions and Germanic peoples arrived, settlement did not come to a complete halt: Christian and medieval Diekirch was built on the remains of Roman Diekirch. That continuity, from Roman villa to early Christian church, is one of the keys to the town's very long history, and it can be physically 'read' beneath its oldest church.
The old Church of St Lawrence (Saint-Laurent), the 'Al Kiirch' of the people of Diekirch, is the best testimony to that thousand-year continuity. It stands on the remains of a Roman building, and Merovingian sarcophagi (6th-7th centuries) have been found beneath it, proof that there was a Christian place of worship and a cemetery here as early as the Early Middle Ages, when the region was part of the Frankish kingdom. The building grew over the centuries, with elements ranging from pre-Romanesque to Gothic, and beneath it lie more than fifteen hundred years of layered history.
Medieval Diekirch grew up around this religious core. Set at a ford on the Sûre and at a crossroads, the town developed as a small rural market serving the surrounding area, dependent on the region's feudal powers and, ultimately, on the counts and dukes of Luxembourg. It was not a great stronghold like Vianden or Bourscheid, but rather a trading and farming town, with its church, its fairs and its modest way of life.
Like the rest of the duchy, Diekirch passed through the hands of Burgundy, the Spanish and Austrian Habsburgs, revolutionary and Napoleonic France, and finally the Grand Duchy. Its position on the Sûre kept it as a district centre and a crossing point, but it was in the 19th century, with industrialisation, that the town found the activity that would make it famous far beyond its walls: beer.
Diekirch is inseparable from beer. Over the 19th century a brewing industry developed here that would eventually produce Diekirch, one of Luxembourg's most popular and recognisable brands. The brewery became the town's great economic engine and a hallmark of its identity: for generations, much of local life revolved around the factory, its workers and its product.
Beer brought Diekirch prosperity, jobs and national fame. The brand spread across the whole country and became a classic in Luxembourg's bars and terraces. Although, as in so many places, the brewing industry has gradually been concentrated and absorbed into larger groups over time, beer remains an essential part of the town's identity, present in its culture, its festivals and its image.
That festive, popular side shows clearly in celebrations such as Al Dikkrich, the town's traditional festival, with its markets, music and atmosphere. Diekirch thus has two faces: the historic town with Roman and medieval roots, serious and steeped in heritage, and the cheerful, sociable beer town. Both live side by side in a compact old town on the banks of the Sûre, at the gateway to the Ardennes.
The most dramatic chapter in Diekirch's recent history is the Second World War. In the winter of 1944-45, this whole part of northern Luxembourg was caught up in the Battle of the Bulge, the last major German offensive on the Western Front. Diekirch, on the banks of the Sûre, found itself on the front line: the town was evacuated, suffered fighting and shelling, and its civilian population lived through weeks of fear, cold and hardship before the final liberation in early 1945.
The memory of those days left a deep mark on the town and the whole region. Diekirch chose to honour it and pass it on by creating the National Museum of Military History (MNHM), today one of the best museums in the country on the Second World War. With impressive life-size dioramas, vehicles, uniforms and objects belonging to American and German soldiers and to civilians, the museum tells in detail what happened in the Ardennes and has become a key place for understanding that episode, without sensationalism and with respect for the victims on both sides.
Today's Diekirch is a small, quiet town that lives from services, commerce, some industry and tourism. With good rail connections and all public transport free since 2020, it works as a gateway and a convenient base for exploring the central Ardennes: the castles of Bourscheid and Vianden, the Patton Memorial in neighbouring Ettelbruck, the Upper Sûre Lake. In its museums, its mosaics, its old church and its beer, two thousand years of history sit side by side within just a few metres.
