From College Walk (the pedestrian boulevard corresponding to W. 116th Street between Broadway and Amsterdam Avenue), go up the right (east) side steps of Low Plaza, which is the large open space in front of the domed Low Library Building. Continue on the walkway that runs along the east side of the Low Library Building. Make a right as you reach the cafe terrace of Uris Hall. The red-brick, tall-windowed Schermerhorn Hall will then be on the left.
Inside Schermerhorn, take the elevator or stairs to the sixth floor. On the right end of the sixth floor hall is the library entrance.