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The Iron Lake Challenge North Rhine-Westphalia combines outdoor exercise with the discovery of regional natural highlights. By hiking or running around the ten largest lakes in North Rhine-Westphalia, you can improve your physical fitness in a completely stress-free way, without any time pressure. The project promotes mental health, raises awareness of the beautiful local landscape, and also plants trees to combat climate change.
At the Iron Lake Challenge North Rhine-Westphalia, in addition to these benefits, you’ll also receive the coveted collector’s medal from the “NRW” edition.
Registration an Scope of Services
Registration for the Iron Lake Challenge North Rhine-Westphalia costs 24.00 EUR.
This entry fee includes our Iron Lake Challenge “NRW” Edition collector’s medal as well as the green marble from the Timeless Challenge.
However, to do that, you’ll first have to circle the ten largest lakes in North Rhine-Westphalia! Only then will we send you your well-deserved medal and marble! After all, you want to earn them, not receive them as a gift.
With your registration fee, you support my passion project to plant one million trees.
How to register
- Bitte klicken Sie auf das Bild, um zur Registrierungsseite unseres Partners Digistore24 weitergeleitet zu werden.
- You will receive a registration confirmation with all the important information.
- Now you have to walk around the ten largest lakes in North Rhine-Westphalia. You can take as long as you need to complete the ten lakes. As proof, you can upload a screenshot of your tracking data to our challenge tool.
- Once we’ve checked your submission, you will get your well-deserved medal and marble. Simple as that, right?
Your medal and your marble
Once you’ve walked around the ten largest lakes in North Rhine-Westphalia, we’ll mail you the beautiful Iron Lake Challenge “NRW” Edition collector’s medal and the green marble. This can be the first item in your future Iron Lake Challenge collection.
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The Ten Largest Lakes in North Rhine-Westphalia
These are the ten largest lakes in North Rhine-Westphalia. Enjoy every minute on the shores of these aquatic gems!
| Lake | Circumference in kilometers |
| Möhnesee | 37 |
| Biggesee | 33 |
| Rur Dam | 25 |
| Große Dhünntalsperre | 24 |
| Lake Sorpe | 16 |
| Halten Reservoir | 10 |
| Lake Baldeney | 10 |
| Lake Urft | 12 |
| Wuppertal Dam | 11 |
| Wiehltal Dam | 20 |
Important Links
- Challenge Tool NRW: Enter Your Laps
- Iron Lake Challenge NRW Hall of Fame
- Life Lake Museum Overall ranking of the challenge
- Life Museum (Overall Ranking – Timeless Challenge)
- Trees4Breeze – Reforestation and Forest Conservation, Funded by the Timeless Challenge
More Challenge Recommendations
 Iron Lake WORLD Challenge! Here, all lakes worldwide are counted as long as the shoreline length is greater than 2 kilometers. |  Enjoy more than a hundred amazing challenge ideas with the Timeless Challenge. |  Iron Lake Challenge NRW25 |
