Hudson Branch rises on the Cow Marsh Ditch divide about 0.5 miles (0.80 km) southwest of Riverdale Estates, Delaware. Hudson Branch then flows easterly to meet Spring Creek about 2.5 miles (4.0 km) northwest of Frederica, Delaware.[2]
Watershed
Hudson Branch drains 8.90 square miles (23.1 km2) of area, receives about 44.9 in/year of precipitation, has a topographic wetness index of 597.91 and is about 6.0% forested.[4]