Kamerlingh Onnes Building

Address: Steenschuur 25
2311 ES Leiden
Telephone: General number: 071 - 527 7512 • Emergency number: 071 - 527 7979

Monday - Thursday: 07.30 - 23.00
Friday: 07:30 - 20:30 hrs
Saturday and Sunday: 10.00 - 17.30

Closures 2026

1 January	New Year's Day
2 January	Mandatory closure
3 April	Good Friday
4 April	Mandatory closure
5 and 6 April	Easter
27 April	King's Day
5 May	Liberation Day
14 May	Ascension Day
15 May	Mandatory closure
24 and 25 May	Whit Sunday
3 October	Seige of Leiden
24 December	Mandatory closure
25 and 26 December	Christmas
27, 28, 29, 30 and 31 December	Mandatory closure

Wheelchair-accessible parking space

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.
Location on the city map

Entrance

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

Assistance

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

Wheelchair-accessible toilets

Near the entrance.
Take the lift to the first floor, then immediately turn right. The toilet is on the right.

Lifts

In the main hall: after the entrance 2 meters to the right. Then turn left for about 10 meters. The elevator is on the right side.
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 at a number of places in the building.

Parking in Leiden

City centre

Are you visiting the Hortus botanicus, student centre Plexus or one of our faculties in the centre of Leiden? There are (limited) opportunities for paid parking on the streets and along the canals. An alternative is Parking Leiden Haagweg car park, which is easily accessible from the access roads to Leiden. A free shuttle bus will take you to any location in the centre of Leiden and pick you up again at any time. You can also walk: the car park is about 15 minutes' walk from the city centre.

Leiden Bioscience Park

If you are visiting the University Sports Centre or the Gorlaeus Campus, you can park your car in the Ehrenfest parking garage. For parking near the Einthoven bulding or the Agora building (Faculty of Social and Behavioural Scienes) we refer you to Parking lot Rijnveste.

Parking information from the municipality of Leiden

Parking in The Hague

There are no parking spaces at our locations in the centre of The Hague. Please refer to the information provided by the municipality regarding parking options.