Rotterdam – Kinderdijk
Line 489: Starting point Rotterdam Kralingse Zoom. About 35 minutes travel time to Kinderdijk Molenkade. Runs twice an hour, seven days a week. From Rotterdam-Center/Rotterdam-Alexander Station you travel with the RET metro line A/B/C to metro station Kralingse Zoom. From Rotterdam-Zuid or Rotterdam Central Station, take RET Tram line 23 to Beverwaard and change at P + R Beverwaard to Line 489.
Dordrecht – Kinderdijk
Line 93: Runs once an hour from Monday to Friday from platform B of Central Station to Kinderdijk. For the return journey to Dordrecht, take Line 489 in Kinderdijk to Nieuw-Lekkerland, from there the bus continues as Line 93 to Dordrecht.
Line 416: Runs every half hour seven days a week from platform B to Alblasserdam, Makado. There, change to Line 489 to Kinderdijk. You can buy a drink at this stop if you have to wait for the transfer.
The 1-Day ticket from RET is not valid at Qbuzz. However, the tourist day ticket is valid at Qbuzz. On the Qbuzz buses you can easily buy a single ticket with debit & credit card, or you travel with the OV-chipkaart.