All about the Roskamsluis: 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?
| Vertical clearance when closed onbekend meter | Width 7 meter |
| VHF-Channel - | Phone number 0226-312556 |
From 01-04 until 15-04
All days: between 09:00 and 18:00 - On demand onlyFrom 16-04 until 20-04
Holidays: closedFrom 21-04 until 31-05
All days and Holidays: between 09:00 and 18:00From 01-06 until 15-09
Weekends: between 09:00 and 19:00From 16-09 until 15-10
All days: between 09:00 and 18:00From 16-10 until 31-10
All days: between 09:00 and 18:00 - On demand onlyFrom 01-11 until 31-03
Weekends and Holidays: closedAdministrator visiting address
Houtplein 33 Haarlem
Phone number: 0800-0200600
Data updated: 10 December 2025, 14:12 uur
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