It is a tributary of the Mascoma River, which in turn flows to the Connecticut River and ultimately Long Island Sound.

The Indian River rises in the southern corner of the town of Dorchester and flows south in a broad valley to the west of Mount Cardigan.

For its south-flowing portion, the Indian River is followed by New Hampshire Route 118.

From Canaan to the Mascoma River, U.S. Route 4 is close by.

This article related to a river in New Hampshire is a stub.