All about the Ziendesluis: 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.
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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 4.4 meter | Lock length 21.5 meter |
| Threshold depth (buiten) 1.9 meter | Threshold depth (binnen) 2.8 meter |
| VHF-Channel - | Phone number unknown |
From 01-01 until 31-03
Voor contact: 071-3063063.From 01-04 until 20-04
Working days: between 08:00 and 20:00From 21-04 until 26-04
Working days and Holidays: between 08:00 and 20:00From 27-04 until 04-05
Working days: between 08:00 and 20:00From 05-05 until 07-06
Working days and Holidays: between 08:00 and 20:00On 08-06
Working days: between 08:00 and 20:00From 09-06 until 31-10
Working days and Holidays: between 08:00 and 20:00From 01-11 until 31-12
Voor contact: 071-3063063.Administrator visiting address
Archimedesweg 1 Leiden
Phone number: 071-3063063
Data updated: 19 December 2025, 12:13 uur
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