[2] It is a tributary of the Connecticut River, which flows to Long Island Sound.
The Ottauquechee rises in the Green Mountains[2] in eastern Rutland County in the town of Killington, and flows generally eastwardly into Windsor County, where it passes through or along the boundaries of the towns of Bridgewater, Woodstock, Pomfret, Hartford and Hartland; and the villages of Woodstock and Quechee.
[3] A headwaters tributary known as the North Branch Ottauquechee River flows southeastwardly through the towns of Killington and Bridgewater.
Near the river's mouth the U.S. Army Corps of Engineers' North Hartland Dam impounds the river to form North Hartland Lake.
According to the Geographic Names Information System, it has also been known historically as:[5] Media related to Ottauquechee River at Wikimedia Commons