Due to a large number of building works on site, parking on the Harwell Campus is extremely limited and visitors’ parking cannot be guaranteed. We strongly recommend travelling by public transport, where possible, if you are attending a meeting or event at Diamond.
(Last updated 28 January 2019)
From the A34 (northbound)
Take the exit at Chilton, where the A34 meets the A4185, it will be signposted for Chilton Harwell Campus, Rutherford Appleton Laboratory.
From the A34 (southbound)
Take the A4130 (A417) exit signposted Milton, Chilton, Didcot and Wantage.
At the roundabout take the fourth exit signposted A4130 Wantage, Steventon, Drayton, Harwell.
Follow this road up the hill for one and a half miles, going straight ahead at the traffic lights. Continue straight on to the Rowstock Roundabout and take the second exit onto the A4185.
Pass the first Harwell Oxford turning on your right after approximately two miles, then turn right at the next roundabout, into the Harwell Oxford campus, taking the exit signposted Rutherford Appleton Laboratory and MRC.
Go straight across the two mini roundabouts and continue down Fermi Avenue until you see the STFC Rutherford Appleton Laboratory main gate on the left, which is the main entrance for Diamond visitors.
Some SatNav users may find that using the postcode above directs them to Didcot town centre. If your SatNav directions do not agree with the directions and maps shown here you may wish to use this alternative postcode: OX11 0QX.
Diamond Light Source is the UK's national synchrotron science facility, located at the Harwell Science and Innovation Campus in Oxfordshire.
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