Fort Delaware State Park is located on Pea Patch Island in the Delaware River, near New Castle, Delaware. The park features a historic fort built in the mid-19th century, which played a significant role during the Civil War. Visitors can explore the fort's structures, learn about its history, and enjoy scenic views of the surrounding waterways. The park is accessible by ferry, making it a popular destination for day trips. In addition to the fort, Fort Delaware State Park offers picnic areas, walking trails, and opportunities for wildlife observation, particularly for birdwatchers.