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Troisdorf

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City
—°21513
Troisdorf (Germany)
ℹ️

Practical info — Troisdorf

🌤 Weather — 5 days

📍 Nearby

Sights nearby

💡 Tips

  • Visit the Picture Book Museum at Burg Wissem, which is unique in Europe for its collection.
  • Explore the Wahner Heide, a major nature reserve offering great hiking trails right on the city's doorstep.
  • Take advantage of the excellent S-Bahn links to reach Cologne or Bonn in under 20 minutes.
  • Visit the Aggua Troisdorf water park for a mix of relaxation and family fun.
  • Keep an eye out for the sculptures around the city, which are part of an engaging local art trail.

🍽 Food

🍽
Rhenish Sauerbraten

Taste this classic marinated pot roast in the cozy guesthouses of the old town.

🍽
Himmel un Ääd

Try the traditional 'Heaven and Earth' dish of mashed potatoes and apple sauce, often served with black pudding.

🍽
Local Kölsch

Enjoy a fresh Kölsch beer in one of the brewpubs around Wilhelm-Hamacher-Platz.

🛍 Shopping · 🧘 Quiet spots

🛍
Kölner Straße Pedestrian Zone

Find numerous specialty shops and well-known fashion chains along this central street.

🛍
Galerie Troisdorf

The indoor shopping mall in the city center is a great option regardless of the weather.

🧘
Burg Wissem Park

The spacious grounds around the castle are great for quiet walks under ancient trees.

🧘
Wahner Heide Trails

Hike the marked paths through the heathland for complete peace and quiet.

Highlights of 2026

2

Positioned strategically between the major cities of Cologne and Bonn, Troisdorf is the largest town in the Rhein-Sieg district and surprises visitors with its incredible diversity. The town is bordered by the pristine rivers Agger and Sieg, creating lush floodplains that are well-suited for hiking, kayaking, and outdoor recreation. A massive draw for nature lovers is the Wahner Heide, one of North Rhine-Westphalia’s most species-rich nature reserves, offering vast heathlands and mysterious moors just a short distance from the urban center. Culturally, Troisdorf punches above its weight with the magnificent Burg Wissem. This historic castle is home to Europe’s only Museum for Picture Book Art (Bilderbuchmuseum), a magical destination that delights both children and adults with its bustling illustrations and interactive exhibits. Industrial heritage is also deeply woven into the town’s fabric, visible in converted industrial parks that now host modern art and events. With its bustling pedestrian zones, excellent transport links, and rich natural surroundings, Troisdorf perfectly balances dynamic city life with peaceful green escapes.

Best time to visit & climate

The most pleasant time to visit is Jun–Aug.

JanFebMarAprMayJunJulAugSepOctNovDec
Avg °C1251013171919151162
Rain mm746259446468757957617177

Geography

Population
74,749
Coordinates
50.81610, 7.15560

Facts

  • Troisdorf was granted town rights only in 1952.
  • The Picture Book Museum is unique in all of Europe.
  • Home to significant manufacturing plants in the plastics sector.
  • The city covers an area of about 62 square kilometers.
  • The Wahner Heide nature reserve borders the city area.
  • The city's elevation is approximately 55 meters above sea level.

Explore nearby

Notable places around

Route planner — Car & Motorhome

Where do you start? We build the route here, with stops and country notes along the way.

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Only stops with (optional):

© OpenStreetMap contributors · OpenRouteService

Sights in the town Troisdorf (15)

Wissem Castle🏺 historical

A historic castle complex housing Europe's unique Picture Book Museum and a visitor portal to Wahner Heide.

Picture Book Museum🏛 museum

Located within Wissem Castle, this museum holds a significant collection of historical and modern picture book art.

Wahner Heide🌿 nature

The second largest nature reserve in North Rhine-Westphalia, featuring unique flora and fauna near the city.

Bergheim Fishery Museum🏛 museum

Museum at the mouth of the Sieg river showcasing the history of fishing and the ecology of the river landscape.

🕒 Apr-Oct: Sa 14:00-18:00; Su 12:00-18:00; Nov-Mar: Sa 14:00-1💶

St. Hippolytus Church⛪ religious

The central Catholic parish church in downtown Troisdorf, defined by its neo-Romanesque architectural style.

Aggua Troisdorf🎡 recreation

A large leisure and wellness water park with an extensive sauna area located on the banks of the Agger river.

Troisdorf City Hall🏙 civic

A modern venue for concerts, theater, and exhibitions, serving as the cultural heart of the city.

Sieglar Mill🏺 historical

A historic mill building in the Sieglar district, standing as a witness to local industrial and economic history.

Badestelle Rotter See🎡 recreation

Swimming spot at Rotter See lake in Troisdorf.

Schwalbensee🌿 nature

The Schwalbensee in Troisdorf is an idyllic lake inviting nature observation and peaceful walks.

Rotter See🌿 nature

The Rotter See in Troisdorf is a popular destination for recreation, offering a beautiful natural backdrop.

Gamer - Die Gameshow👨‍👩‍👧 family

Gamer - Die Gameshow in Troisdorf has interactive gaming fun and entertainment for visitors.

Wald- und Vogelpark👨‍👩‍👧 family

The Wald- and Vogelpark in Troisdorf provides an exciting experience for children and animal lovers.

Whirlpool👨‍👩‍👧 family

Whirlpool pool in Troisdorf.

Spicher Hohlstein🏺 historical

A prominent quartzite rock in Troisdorf, considered a natural monument and archaeological site.

Frequently asked questions

What is the Picture Book Museum?
Located in Burg Wissem, it is unique in Europe for its collection of picture book illustrations.
Where can you go hiking in Troisdorf?
The Wahner Heide is a large nature reserve with heathlands and moors, good for long hikes.
Is Troisdorf close to Cologne?
Yes, you can reach the center of Cologne in less than 20 minutes by S-Bahn.
What else does Burg Wissem offer?
Besides the museum, it features a portal to the Wahner Heide, a wildlife enclosure, and a nice cafe in the courtyard.
Which industry shapes Troisdorf?
Troisdorf has a long tradition in the plastics and steel industries, which is partly reflected in the cityscape.
Troisdorf: where is it located?
Troisdorf is located in North Rhine-Westphalia, Germany.
Troisdorf: what is there to see?
Highlights include Wissem Castle, Picture Book Museum, Wahner Heide.
Troisdorf: when is the best time to visit?
The most pleasant time to visit is Jun, Aug.
Troisdorf: why is it worth visiting?
Positioned strategically between the major cities of Cologne and Bonn, Troisdorf is the largest town in the Rhein-Sieg district and surprises visitors with its incredible diversity.
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