All about the Wilhelminasluis Zaandam: service times, location and contact details. On the water map below do you see this lock complex in its immediate vicinity. On the right on this page you will find the locking times, additional information and the telephone numbers and VHF channels.
Open the Water Map for Zaandam in full window
For seasoned water sports enthusiasts it is a simple procedure, but if you are not yet experienced on the water, entering and exiting the lock can be an impressive experience. How does it work, where do you moor, what should you pay attention to?
| Width 14 meter | Lock length 156 meter |
| Threshold depth (buiten) 4.7 meter | Threshold depth (binnen) 4.7 meter |
| VHF-Channel 81 | Phone number 023-5143143 (zie notitie!) |
From 01-01 until 31-03
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.From 01-04 until 04-05
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.From 05-05 until 13-05
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.From 14-05 until 24-05
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.From 25-05 until 31-10
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.From 01-11 until 23-12
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.On 24-12
All days: between 06:00 and 16:00From 25-12 until 30-12
Request last lock control no later than 30 minutes before closing time. To request control via: VHF, using call buttons in the mooring area and using QR code.On 31-12
All days: between 06:00 and 16:00Administrator visiting address
Houtplein 33 Haarlem
Phone number: 0800-0200600
Data updated: 11 Februari 2026, 06:41 uur
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