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Walk around the ten largest lakes in Lower Saxony and claim your coveted Iron Lake Challenge collector’s medal in the ‘Lower Saxony’ edition. Get to know this exciting state at its absolute best—on the shores of its beautiful lakes.
Registration an Scope of Services
Registration for the Iron Lake Challenge Lower Saxony costs you 24,- EUR.
This registration fee includes our Iron Lake Challenge ‘Lower Saxony’ Edition collector’s medal as well as the green marble (20mm) of the Timeless Challenge.
However, to get your hands on this, you first have to hike around the ten largest lakes in Lower Saxony! Only then will we send you your well-deserved medal and marble! After all, you want to earn them, not just have them handed to you.
With your registration fee, you support my passion project of reforestation of one million oft trees
How to register
- Please click on the image and you will be redirected to the registration page of our partner Digistore24.
- You will receive a registration confirmation with all the important information.
- Now it’s time to walk around the ten largest lakes in Lower Saxony. You can take all the time you need for these ten lakes. To submit your proof, simply upload a copy of your tracking screenshot into 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 have circumnavigated the ten largest lakes in Lower Saxony on foot, we will send you the beautiful Iron Lake Challenge ‘Niedersachsen’ Edition collector’s medal as well as the green marble by mail. This can be the first piece in your upcoming Iron Lake Challenge collection.
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The ten largest lakes in Lower Saxony
Here are the ten largest lakes in Lower Saxony. Enjoy every minute along the shores of these aquatic gems!
| Lake | Shore length (approx.) |
| Steinhuder Meer | 50km |
| Dümmer See | 20km |
| Zwischenahner Meer | 13km |
| Großes Meer (Südbrokmerland) | 15km |
| Okertalsperre | 20km |
| Alfsee | 8km |
| Granetalsperre | 15km |
| Bederkesaer See | 8km |
| Speicherbecken Geeste | 12km |
| Thülsfelder Talsperre | 12km |
Important Links
- Lower Saxony Challenge Tool to log your laps
- Genaue Erklärung unseres Tools (.pdf)
- Hall of Fame – Iron Lake Challenge Lower Saxony
- Life Lake Museum Overall ranking of the challenge
- Life Museum (Gesamtwertung Timeless Challenge)
- Trees4Breeze – Reforestation and Forest Conservation, Funded by the Timeless Challenge
More Challenge Recommendations
 If you’re more of a cyclist, then circle the lakes by bike! |  Loop the most beautiful lakes worldwide |
