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The Duinenmars Foundation organizes a two-day walking event every year. Approximately 12,000 walkers participate in the Duinenmars each year, making it the largest walking event in the Randstad.
Sport & recreationNature & sustainability
The Duinenmars Foundation organizes a two-day walking event every year. Approximately 12,000 walkers participate in the Duinenmars each year, making it the largest walking event in the Randstad.