All about the Middelharnis, sluis: 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.

Middelharnis, sluis
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 9:30.

All days, between 08:00h and 22:00h

 
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 Gemeente Goeree-Overflakkee
Postbus 1
3240 AA Middelharnis

Administrator visiting address
Koningin Julianaweg 45 Middelharnis
Phone: 140187

Data updated: 09 Mei 2025, 10:20 uur, all data comes directly from Rijkswaterstaat systems.

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