Current hours are:
Parking structure and memorial grounds: 5:00 a.m. to 11:00 p.m.
Information Center and Lincoln Borglum Visitor Center: 8:00 a.m. to 5:00 p.m.
Sculptor's Studio: 8:00 a.m. to 5:00 p.m.
Carvers' Marketplace: 8:00 a.m. to 5:00 p.m.
Gift Shop: 8:00 a.m. to 9:00 p.m.
Mount Rushmore illumination: sunset to 11:00 p.m.
All times listed are Mountain Time.