Heerlen

Heerlen is a fascinating city tucked away in the very southeast corner of the Netherlands, in a hilly region called South Limburg. Unlike the flat, windmill-dotted landscape most people picture when they think of the Netherlands, Heerlen sits among rolling green hills and has a bold, gritty character all its own. It was once a booming coal mining city, and that industrial history shaped everything about how it looks and feels today.

What makes Heerlen truly special is how it has reinvented itself. The old mining heritage is celebrated rather than forgotten, and you can discover it through striking architecture and local museums. The city also has an unexpected treasure hiding in plain sight: a remarkable Roman bathhouse called Coriovallum, buried beneath a modern museum in the city centre. Walking around Heerlen feels like peeling back layers of history, from ancient Roman times all the way to the industrial age and beyond.

Heerlen Puzzle Set

City illustration + map puzzle, shipped to your door.

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Quick fact

Heerlen is a city in the southern Netherlands, near the German border. It became an important industrial city because of its coal-mining history, which shaped much of its development in the 20th century.

Fun fact

Heerlen was once a major coal-mining city in the Netherlands. Its mining industry played a huge role in the city’s growth before the last mine in the region closed in 1974.

Landmarks

Kasteel Ter Waerden

This historic castle-like estate inside Heerlen is a fun place to learn about the region's long history and the noble families who once lived there.

Glaspaleis

The Glaspaleis, which means Glass Palace, is a stunning building made almost entirely of glass and is one of the most famous examples of modern architecture in the Netherlands.

Kasteel Hoensbroek

This grand medieval castle with towers and a moat is one of the largest and best-preserved castles in the Netherlands, and it sits within the Heerlen municipality for kids to explore.

Park Gravenrode

This lovely green park in Heerlen is a peaceful place where families can enjoy nature, open spaces, and a pleasant walk right in the city.

St. Pancratiuskerk

This grand old church in the center of Heerlen has stood for hundreds of years and is one of the most recognizable and beautiful buildings in the city.