The Red Hill River begins in the town of Sandwich, New Hampshire, at the outlet of Little Pond Red Hill Pond, just east of the village of Sandwich. The river flows north into Red Hill Pond, then turns west to flow past the village of Center Sandwich.
The Red Hill River begins its journey in Sandwich, New Hampshire, at the point where Little Pond Red Hill Pond empties into it. It flows northward before turning westward and passing through the village of Center Sandwich.