The Lower Neponset River Trail is a 2.4-mile-long (3.9 km) rail trail running along the Neponset River in the Dorchester section of Boston, Massachusetts.

[1] It roughly follows the path of the eastern part of the Dorchester and Milton Branch Railroad from the Port Norfolk neighborhood in Dorchester to the Central Avenue T Station in Milton,[2] passing through Pope John Paul II Park, the Neponset Marshes, and the Lower Mills area.

[3]