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8/10/26 to 9/8/26
Building 401 Lower Level
Monday through Friday10:00 am to 11:00 amGrab and Go OnlyLunch hours: 11:00am to 1:30pm
Building 460, Inside the Guest House
BreakfastMonday - Friday: 7:00 am to 9:00 amWeekends: 7:30 am to 10:00 am
Lunch11:00 am to 1:30 pm • Themed lunch buffet (Mon–Thu) • Soup & Salad Bar (Fri)
Dinner and BarHappy Hour Thursdays - 3:30 pm to 6 pm
Weekends: Closed
Building 460
Guest House Market
Open 24 hours a day, 7 days a week
Fresh made sandwiches, salads, beverages, snacks, personal care and first aid products, Argonne and APS Logo Wear
Building 401
Monday - Friday: 8:30 am to 1:30 pm
Saturday - Sunday: Closed