to
Update
is a Township in Hunterdon County, New Jersey, United States. As of the United States 2000 Census, the township population was 2,383.
West Amwell Township was incorporated as a township by an Act of the New Jersey Legislature on April 6, 1846, when Amwell Township was split, also creating East Amwell Township at the same time. Portions of the township were taken to form Lambertville town on March 1, 1849.
The Delaware Native Americans had a path through the woods from Lambertville through Mount Airy, Ringoes and Reaville to Newark upon which the Old York Road was subsequently laid.
According to the United States Census Bureau, the township has a total area of 21.9 square miles (56.7 km²), of which, 21.7 square miles (56.3 km²) of it is land and 0.2 square miles (0.5 km²) of it (0.82%) is water.
West Amwell Township borders the City of Lambertville, Delaware Township, and East Amwell Township. West Amwell Township also borders Hopewell Township in Mercer County.
The Delaware River separates West Amwell Township from the Commonwealth of Pennsylvania.