The flood plain lies at the foot of the Bald Eagle Mountain ridge, with large fertile farm fields in and around the river's meanders and islands.
In Clinton and Lycoming Counties, it is northeast of the Bald Eagle Valley and runs from Lock Haven to Williamsport.
During Pennsylvania’s great lumbering era, the most significant log drive was conveyed on the West Branch of the Susquehanna River.
The Susquehanna’s West Branch Canal Division further shaped the corridor, linking towns and villages and providing vital opportunities for commerce.
Her village at the mouth of Loyalsock Creek on the West Branch Susquehanna River was an important stopping point for the Moravian missionaries who were spreading the gospel throughout the wilderness of Pennsylvania during the 1740s.
The lands of the West Branch Susquehanna River Valley were then chiefly occupied by the Munsee phratry of the Lenape (or Delaware), and were under the nominal control of the Five (later Six) Nations of the Iroquois.
The illegal settlers there were part of the "Fair Play Men" system of self-government, with their own Declaration of Independence from Britain on July 4, 1776.
Homes and fields were abandoned, with livestock driven along and a few possessions floated on rafts on the river east to Muncy, then further south to Sunbury.
The Fair Play Men were illegal settlers (squatters) who established their own system of self-rule from 1773 to 1785 in the West Branch Susquehanna River valley of Pennsylvania in what is now the United States.
In a remarkable coincidence, the Fair Play Men made their own declaration of independence from Britain on July 4, 1776 beneath the "Tiadaghton Elm" on the banks of Pine Creek.
It was on the east side of Antes Creek, overlooking and on the left bank of the West Branch Susquehanna River on a plateau in Nippenose Township south of modern-day Jersey Shore in western Lycoming County.
[1] Despite being abandoned and attempts by the attacking British forces to burn it down, Fort Antes was one of only two structures in the valley to survive the Big Runaway.
The men working at the end of the boom would sort the logs according to their corresponding brand and float them into the correct holding pond along the bank of the river.