Travel:

The nearest airports to the MPI are Weeze Airport (airport code: NRN) in Germany (http://www.airport-weeze.de/index.php?lang=en, distance: 52km), Schiphol Airport in Amsterdam (http://www.schiphol.nl/index_en.html, distance: 128km) and Duesseldorf Airport (http://www.duesseldorf-international.de/dus_en/, distance: 110km). 

From Weeze Airport there is an hourly bus transfer to Nijmegen (http://www.airport-weeze.de/2-3-9_bus_nimwegen.php?lang=en), from Schiphol Airport you can easily get to Nijmegen by train (trains every 15mins during the day, Dutch railway company: http://ns.nl/cs/Satellite/travellers), from Duesseldorf Airport you can get by train to Nijmegen (trains do not run at regular intervals, German railway company: http://www.bahn.de/i/view/GBR/en/index.shtml)

Accomodation:

If you book by April 1st, you can make use of a special agreement between the MPI and the Hotel Apollo (www.apollohotel.nl). Prices per room per night are (plus tourist tax of € 1.77 per night):

Double room - single occupancy: € 89
Double room - double occupancy: € 98

If you come to the summer school by car, you can also book a room in the following hotels:

Hotel Belvoir / Hotel Erica (ca.€ 90)
Hotel Spijker € 75
Hotels over the border in Kleve (ca. € 60-70). Kleve is in Germany; it is about 25km from Nijmegen.

Here is a list of B&Bs in the center of Nijmegen or close to the Max Planck Institute:

Google map

http://www.bedandbreakfast-nijmegen.nl/
http://www.bedandbreakfastnijmegen.com/
http://www.bedandbreakfast.nl/bed-and-breakfast/5272
http://www.westzijde.com/
http://www.bbacanthus.nl/
http://home.hccnet.nl/jean.bollen/
http://www.mussepot.nl/BenB.shtml

Here is a central Dutch hotel booking web page:
http://www.booking.nl/

Please let us know if you need any further information or assistance!