Argonne Guest House: 401 Grill

Today's Menus:

401 Grill Hours:


  • Lunch: 11:00 a.m. to 2:00 p.m.
  • Dinner: 4:30 p.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.

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.