The South Branch begins near Mount Watatic at the outlet of Stodge Meadow Pond in the town of Ashburnham, Massachusetts, and flows north through a chain of small lakes (Marble Pond, Ward Pond, and Watatic Pond) before turning northeast into the town of Ashby, Massachusetts.
The South Branch's path begins near Mount Watatic at the outlet of Stodge Meadow Pond in Ashburnham, Massachusetts, flowing northward through a chain of small lakes: Marble Pond, Ward Pond, and Watatic Pond before turning northeast into the town of Ashby, Massachusetts.