The Upper Passaic River in New Jersey is the section of the Passaic River above the Dundee Dam, including the Great Falls, which flows to the river mouth at Newark Bay in the northeastern part of the state.
The Upper Passaic River in New Jersey is the section of the Passaic River above the Dundee Dam. This is including the Great Falls. The Great Falls flows to the river mouth at Newark Bay in the northeastern part of the state.