Argonne Guest House

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401 Grill

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The 401 Grill is located on the ground level of the APS Conference Center (follow the signs west of the APS Auditorium) and serves a variety of sandwiches, soups, salads, and beverages.

401 Grill Hours:


  • 11:00 A.M. to 9:00 P.M.

Saturday and Sunday:

  • 11:30 A.M. to 7:00 P.M.

Please note: during APS shutdown periods, the 401 Grill closes at 7:00 P.M. Monday-Friday and at 5:00 P.M. on Saturday and Sunday. If you have any questions please let me know.