Castle Clinton or Fort Clinton, once known as Castle Garden, is a circular sandstone fort now located in Battery Park at the southern tip of Manhattan Island, New York City, in the United States. It is perhaps best remembered as America's first immigration station (predating Ellis Island), where more than 8 million people arrived in the U.S. from 1855 to 1890. Over its active life, it has also functioned as a beer garden, exhibition hall, theater, public aquarium, and finally today as a national monument.

Castle Clinton, auch Castle Garden, ist ein Denkmal an der Spitze von Manhattan, heute bekannt als Castle Clinton National Monument.

Castle Clinton ou Fort Clinton est un fort circulaire fait de grès situé à Battery Park à l'extrémité sud de Manhattan, à New York. C'est un monument national américain. Le fort doit son nom à De Witt Clinton, le gouverneur de New York qui fit renforcer les défenses sur la baie.

Castle Clinton nationalmonument ligger i Battery Park på södra spetsen av Manhattan i New York City i USA. Befästningsverket byggdes 1812 som Castle Garden, ett cirkelformat sandstensfort som var ursprungligen avsett att hålla britterna borta, men blev med tiden en plats för välkomnade av nya immigranter.

Castle Clinton o Fort Clinton o Castle Garden è un ex forte circolare situato a New York City a Battery Park nella parte meridionale della penisola di Manhattan. È un monumento nazionale americano e nella metà del 1800 fu adoperato come centro di smistamento per l'immigrazione proveniente dall'Europa.