Rattlesnake Mountain is a peak of the Kittatinny Mountains in Sussex County, New Jersey, United States.

The mountain stands 1,489 feet (454 m) high.

It lies along the Appalachian Trail in the Delaware Water Gap National Recreation Area.

Rattlesnakes like any of the rocky areas of the Kittatinny Ridge, for sunning themselves.

This Sussex County, New Jersey state location article is a stub.