The Seeley W. Mudd Building is located at 500 W. 120th Street, near the corner of Amsterdam Avenue.
Columbia's Morningside Heights Campus:
The main entrances to Columbia University's Morningside Heights campus are at Broadway and 116th Street (by the subway station) and at Amsterdam Avenue and 116th Street. For more information, see Maps and Directions
Entering From Campus:
From the campus entrance, walk in along College Walk, head north up the steps, go around Low Library and to the back of Uris Hall (the Business School).
Entering From 120th Street:
Entering the building from 120th Street, you will come through a set of glass doors. The stairs will lead you into the lobby.
Public Transportation:
Take the #1 train to 116th Street (Columbia University) station.