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Portugal, the sun-kissed land on the Iberian Peninsula with its beautiful coastline. This country has an eventful history that can be felt everywhere and was once a true maritime superpower.
But did you know that Portugal also has wonderful lakes worth discovering? Circumnavigate the ten largest lakes in Portugal on foot and claim the coveted collector’s medal of the Iron Lake Challenge – Portugal Edition.
Imagine walking around the ten largest lakes in Portugal on foot. There’s no better way to truly get to know this beautiful country, enjoy relaxing moments in its unique nature, and sample the diverse culinary delights of every region. You’re under no time pressure, because the Iron Lake Challenge isn’t about chasing times or setting records—it’s all about pure enjoyment.
Registration an Scope of Services
Registration for the Iron Lake Challenge Portugal costs 24 EUR.
This entry fee includes our Iron Lake Challenge “Portugal” Edition collector’s medal as well as the green marble of the Timeless Challenge .
However, you must first circumnavigate the ten largest lakes in Portugal for this! 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 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 you have to circumnavigate the ten largest lakes in Portugal on foot. You have as much time as you need for the ten lakes. As proof, you can submit a screenshot of your tracking 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 have circumnavigated the ten largest lakes in Portugal on foot, we will send you the beautiful Iron Lake Challenge ‘Portugal Edition’ collector’s medal as well as the green marble by mail. This could be the very first piece in your upcoming Iron Lake Challenge collection!
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The ten largest lakes in Portugal
The Iron Lake Challenge Portugal will show you this country from its most beautiful (lake) side. You will circumnavigate these ten lakes on foot and experience unforgettable moments:
| Lake | Length |
| Alqueva-Stausee (Barragem do Alqueva) | approx. 150 km |
| Albufeira de Campilhas | approx. 50 km |
| Barragem do Azibo | approx. 32 km |
| Barragem de Castelo do Bode | approx. 110 km |
| Barragem do Alto Rabagao | approx. 35 km |
| Albufeira da Barragem do Maranhão | approx. 44 km |
| Barragem do Cabril | approx. 97 km |
| Barragem de Santa Clara | approx. 78 km |
| Pego do Altar-Stausee | approx. 143 km |
| Barragem de Odivelas | approx. 82 km |
Important Links
- Challenge Tool Portugal for submitting your circumnavigations
- Hall of Fame – Iron Lake Challenge Portugal
- 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
 Enjoy more than a hundred amazing challenge ideas with the Timeless Challenge. |  Enable a tree to grow old in peace with our Trees4Breeze tree sponsorship. |  Circumnavigate beautiful lakes worldwide and earn your ILC WORLD collector’s medals! |
