Argonne Guest House: 401 Grill
401 Grill Hours:
- 11:00 A.M. to 9:00 P.M.
- 11:30 A.M. to 7:00 P.M.
Please note: during APS shutdown periods, the 401 Grill closes at 9:00 p.m. Monday-Friday, and at 7:00 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.