You can find all the information you need in English on http://9292.nl/en#.
The address to enter in your navigation system is Nederwaard 1, 2961 AS Kinderdijk.
1. From Dordrecht Central Station bus 18 goes directly to Kinderdijk.
2. From Rotterdam Central (train) Station, take the metro to metrostation Rotterdam Zuidplein, then take bus 90 (Utrecht) to Alblasserdam.
3. From Utrecht Central Station bus 90 (Rotterdam Zuidplein) goes to Alblasserdam.
4. Bus 90 is the only bus-line that stops at the entrance of the windmill-area: the World Heritage Kinderdijk-site
De nicest way to travel to World Heritage Kinderdijk is via the river. Coming from Rotterdam or Dordrecht you can reach Kinderdijk within 30 minutes when taking the Waterbus to Kinderdijk.
More information or tickets click here.