CLIN 2014 will take place in Leiden in the Kamerlingh Onnes Gebouw (KOG), Steenschuur 25. If you arrive by car, you can use the Parking Garage Breestraat (5 mins walk to KOG) or the Parking Place Haagweg (free shuttle transport to anywhere in town). If you arrive by train at Leiden Central Station, you can choose between a 18 mins walk or a 10 mins bus trip.
The Leiden Visitor Centre can provide you with ideas for trips, a city plan, advice on accommodation and much more. It is located almost next door to Leiden Central Station and just opposite the bus station.