Argonne National Laboratory is about 45 minutes by car from each of the two major Chicago airports, O'Hare and Midway (see map). Limousine service is available from each airport, and major car rental agencies serve both airports. Limo reservations can be made by calling:
  • A-1 Limousine 630.833.3788
  • United Limousine - 630.969.3865 or 800.331.9037

The map also shows the major roadways serving the Chicago area.

To reach Argonne from O'Hare Airport, drive east (toward Chicago) on Interstate 190 to the exit for Interstate 294 south (toward Indiana). Go south on Interstate 294 to the exit for Interstate 55 south (toward St. Louis); then take the southbound Cass Avenue exit (273A) off Interstate 55. Northgate Road, the entrance to the Laboratory's main gate, is on the right.

From Midway Airport, take Cicero Avenue north to the entrance to Interstate 55 south (toward St. Louis), which will be on your left, then proceed as described above.

More information about the area is available at the APS Visitor Information page



The Argonne Guest House is located less than a block from the APS conference center. A block of rooms has been reserved for meeting participants. If you register there, identify yourself as a NUFO meeting attendee, and you'll receive the user rate of $60/night single, $70/night double.

A number of other hotels are located relatively close to Argonne. Please make your reservation directly with the hotel of your choice. Contact information for the Guest House and other hotels is given below.

Argonne Guest House
Argonne National Laboratory
9700 South Cass Avenue, Building 460
Argonne, IL 60439
Reservations: 800.632.8990 or 630.739.6000
Fax: 630.739.1000
Web form:

If you do not receive confirmation of your e-mail or web request, please telephone.

Additional Hotels
There are many local hotels which can be found by a search on Lemont, Illinois. Consult travel guides for further lodging options.