One of the seven sisters colleges is Vassar, which is a private liberal arts college located in Poughkeepsie, New York. It was founded in 1861 and is the second oldest institution of higher education for women in the United States. Another one of the seven sisters colleges is Mount Holyoke, which is a private liberal arts college located in South Hadley, Massachusetts. It was founded in 1837 and is the oldest institution of higher education for women in the United States.