Declared a National Historic Landmark in 1987, the Chateau building is architecturally significant because of its construction and design.

From the main front entrance the building appears to be only three stories high, but from the creek bed below the hotel, all six floors can be seen.

Extensive rock work was constructed by the Civilian Conservation Corps under the direction of the Plans and Design branch of the Park Service, headed by Thomas Chalmers Vint, creating a bond between the building and the landscape.

Dark paneled walls create a cavelike feel and allow one's attention to be drawn to the view outside the large picture windows.

A grand staircase made of pine log stringers, maple steps, and balustrades of madrone, continue the rustic style.

[8] While formerly open spring to fall, the Chateau is closed until further notice, as it is undergoing a multi-year rehabilitation project that will "address a number of life, health, safety, and accessibility concerns while retaining the historic integrity of the building.

Ten A-frame Dining chairs that went through the flood of 1964, having been stripped of most of their finish, were repaired and restored to their original appearance, while several upholstered pieces were conserved.