All about the sluis Middelharnis: 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 Middelharnis 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?
sluis Middelharnis
Sluis staat (in het algemeen) open. In bedrijf bij waterstanden boven NAP+0,70m. Puntdeuren.
Width: 7 meter, length: 29 meter.
Lock length: 40 meter.
Threshold depth downstream/outside: 2.7 meter, threshold depth up/inside: 2.6 meter.
Every hour, last at 6:30.
All days, between 09:00h and 19:00h
Operating times all year round
From 05-01 until 29-02:
Every two hours, last at 4:30.
Weekdays and weekends, between 09:00h and 17:00h
Closed on public holidays
From 01-03 until 31-03:
Every hour, last at 5:30.
Weekdays and weekends, between 09:00h and 18:00h
Closed on public holidays
From 01-04 until 30-04:
Every hour, last at 6:30.
All days, between 09:00h and 19:00h
From 01-05 until 15-09:
Every hour, last at 9:30.
All days, between 08:00h and 22:00h
From 16-09 until 30-09:
Every hour, last 7:30.
Weekdays and weekends, between 09:00h and 20:00h
Closed on public holidays
From 01-10 until 31-10:
Every two hours, last at 6:30.
Weekdays and weekends, between 09:00h and 19:00h
Closed on public holidays
From 01-11 until 21-12:
Every two hours, last at 4:30.
Weekdays and weekends, between 09:00h and 17:00h
Closed on public holidays
From 22-12 until 04-01
All days, between 00:00h and 23:59h - No service
Administrator
Gemeente Goeree-Overflakkee
Postbus 1
3240 AA Middelharnis
Administrator visiting address
Koningin Julianaweg 45 Middelharnis
Phone: 0187-475555
Data updated: 02 April 2025, 20:46 uur, all data comes directly from Rijkswaterstaat systems.
