Argonne National Laboratory
9700 South Cass Avenue
Registration for VisitorsVisitor Registration Form
Formal registration is REQUIRED in order to enter Argonne's site. If you are visiting Argonne you will need to fill out the visitor registration form . If you require hotel accommodations, you will need to call the Argonne Guest House. Thank you.
You will need to bring your driver's license for entry to the Laboratory. If you are from a DOE Laboratory, please bring your badge with you. If you will be arriving Sunday, please proceed directly to the guard gate. If you are arriving on a weekday, please stop at the Argonne Information Center.
Foreign Visits and Appointments
For guidance on approval and timing requirements for foreign visits and appointments, please see the
Argonne web page.
Need to Find Someone?
Argonne Operator: 630-252-2000 (7:30 am - 7:30 pm weekdays)
Argonne East from O'Hare - International Airport, take I-294 south to I-55. Exit west on I-55 (toward St. Louis)
and continue for about four miles to Cass Avenue. Exit south on Cass and turn right at the Argonne sign on
Northgate Road, immediately south of I-55. Follow Northgate Road to the Argonne Information Center.
Argonne East from Midway - Airport, take Cicero Avenue north to I-55. Enter I-55 south and continue for about 14 miles to Cass Avenue. Exit south on Cass and turn right at the Argonne sign on Northgate Road, immediately south of I-55. Follow Northgate Road to the Argonne Information Center.
Argonne from Public Transportation - take the Metra train to the Burlington/Westmont station. RTA-PACE bus #715 leaves the Burlington/Westmont station at 7:22 a.m. and 7:58 a.m., arriving at the Argonne Information Center at 7:35 a.m. and 8:14 a.m., respectively. In the evening, RTA-PACE bus #715 leaves the Argonne Information Center at 5:25 p.m., arriving at the Burlington/Westmont station at 5:42 p.m. Since the bus schedule is subject to change by RTA-PACE without notice, visitors planning on using public transportation to reach Argonne are advised to verify the bus schedule by calling RTA-PACE at 847/364-7223.
Argonne Guest House (Marriott), Argonne National Laboratory
9700 South Cass Avenue - Building 460
Argonne, IL 60439
Reservations: (800) 632-8990 or (630) 739-6000
Fax: (630) 739-1000
(Restaurant closed on weekends. A complimentary continental breakfast is available in the lobby on Sunday mornings at the Guest House, and sandwiches and fruit is available in the gift shop during the weekends, but the restaurant is closed.)
Using the MCS network:
If you have any general questions, feel free to contact your host or call our administrative staff at 630-252-9307/0971. We can provide you with site maps, Argonne overview information, a Chicago Visitor's Guide magazine, and help obtain booklets of information for conferences. Also, the administrative assistant who provides you with travel or conference arrangements can help you as well.