Universiteit Leiden

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Kamerlingh Onnes Building

Steenschuur 25
2311 ES Leiden
071 - 527 7512

Opening hours:
Monday - Thursday: 07:30 - 23:00 hrs
Friday: 07:30 - 20:30 hrs
Saturday and Sunday: 10:00 - 17.30 hrs

From 8 July to 20 August:
Monday - Friday: 07:30 - 19:00 hrs
Saturday: 10:30 - 16:00 hrs
Sunday: closed

Opening hours of the Law Library

Closing days 2023

1 January New Years Day
7 April   Good Friday
9 en 10 April Easter
27 April   King's Day
5 May Liberation Day
18 May Ascension Day
19 May Mandatory closure
28 June and 29 June Whit Sumday
3 October Seige of Leiden
5 December Sinterklaas, closed after 18.00h 
24 December Christmas Eve, closed after 16.00h
25 en 26 December  Christmas
27  t/m 29 December   Mandatory closure 


Disabled parking close to the entrance, across the street. There is an on/off ramp to the pavement. Parking space dimensions: 4.85 x 3.10 m.
Car park on the city map


The route to the entrance is very wide and contains no narrows or thresholds. The entrance is barrier-free, paved and level and accessed via a ramp. The door opens automatically. The door opening is 135 cm wide. Then an automatic intermediate door 160 cm wide.


Reception: after entering on the right.
071 - 527 5220

Wheelchair-accessible toilets

  • Near the entrance
  • First floor


  • In the central hall opposite the main entrance.
  • In the C corridor, after entrance turn right.
  • In the B corridor, after entrance turn left, end of corridor right/left/right, via lift platform to end of corridor right.

Possible obstacles

  • There are doors that have to be opened by hand.
  • There are thresholds in some places.
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