Saucon Creek is a 17 miles (27.4 km) tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Lehigh River

Lehigh River

The Lehigh River, a tributary of the Delaware River, is a river located in eastern Pennsylvania, in the United States. Part of the Lehigh, along with a number of its tributaries, is designated a Pennsylvania Scenic River by the state's Department of Conservation and Natural Resources...

 in Lehigh

Lehigh County, Pennsylvania

-Climate:Most of the county's climate is considered to fall in the humid continental climate zone. Summers are typically hot and muggy, fall and spring are generally mild, and winter is cold. Precipitation is almost uniformly distributed throughout the year....

 and Northampton

Northampton County, Pennsylvania

As of the 2010 census, the county was 86.3% White, 5.0% Black or African American, 0.2% Native American or Alaskan Native, 2.4% Asian, 0.0% Native Hawaiian, 2.2% were two or more races, and 3.8% were some other race. 10.5% of the population were of Hispanic or Latino ancestry.As of the census of...

 Counties, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

 in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

.

Saucon Creek starts in Lower Milford Township

Lower Milford Township, Pennsylvania

Lower Milford Township is a township in Lehigh County, Pennsylvania, in the United States. It is a suburb of Allentown, Pennsylvania, in the Lehigh Valley region of the state.The population of Lower Milford Township was 3,617 at the 2000 census....

, flows to the northeast passing through the communities of Limeport

Limeport, Pennsylvania

Limeport is a small unincorporated community located on the Saucon Creek in Lower Milford Township and Upper Saucon Township in Lehigh County, Pennsylvania, United States. It is served by Limeport Post Office, so village residents use Limeport as their mailing address and the zip code is 18060...

, Bingen, and Hellertown

Hellertown, Pennsylvania

Hellertown is a borough in Northampton County, Pennsylvania, in the United States. Hellertown is located in the Lehigh Valley region of the state, and geographically in the Saucon Valley.The population of Hellertown was 5,606 at the 2000 census.-Geography:...

, and joins the Lehigh River in Bethlehem

Bethlehem, Pennsylvania

Bethlehem is a city in Lehigh and Northampton Counties in the Lehigh Valley region of eastern Pennsylvania, in the United States. As of the 2010 census, the city had a total population of 74,982, making it the seventh largest city in Pennsylvania, after Philadelphia, Pittsburgh, Allentown, Erie,...

. The Meadows Banquet Center in Hellertown and Saucon Park in Bethlehem are located along the Saucon. The Ehrhart's Mill Historic District

Ehrhart's Mill Historic District

Ehrhart's Mill Historic District is a national historic district located along Saucon Creek at Lower Saucon Township, Northampton County, Pennsylvania. The district includes 9 contributing buildings, 2 contributing sites, and 4 contributing structures associated with a 19th and early 20th century...

is located along Saucon Creek.