The Graduate Writing Center is located at Teachers College, Columbia University.
To reach the Graduate Writing Center by subway, take Line 1 to the 116th Street Columbia University station. From the subway station you will need to walk to the corner of Broadway and 120th Street. The main entrance to Teachers College is at 525 West 120th Street. The office is located in the Thorndike building, Room 155 (1st Floor).
If you are not a Columbia student you will need to sign in and obtain a visitor's pass at Main Hall.