The Polder Achttienhoven in Nieuwkoop is a natural walking area where you can discover more than four centuries of Dutch polder history. This area is known for its open water landscape, historic dikes and rich flora and fauna.
The Polder Achttienhoven in Nieuwkoop is a natural walking area where you can discover more than four centuries of Dutch polder history. This area is known for its open water landscape, historic dikes and rich flora and fauna.
Keep this page handy during your Rotterdam visit — for emergencies, tourist information, city services and transport.
Source: rotterdam.info, City of Rotterdam — generated 14 mei 2026
Not listed — please contact us for current times.
This brochure is a snapshot. Current opening times, prices, menus and the agenda can always be found on the digital pages:
Disclaimer: This brochure has been automatically compiled from publicly available sources and merchant data, generated on 14 mei 2026. Times, prices and availability may have changed. Alles Over Alphen aan den Rijn is not a representative of Polder Achttienhoven Nieuwkoop and accepts no liability for inaccuracies. Reservations, orders and bookings go directly through the merchant.