The Pacolet River is a 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 Broad River

Broad River (Carolinas)

The Broad River is a principal tributary of the Congaree River, about 150 miles long, in western North Carolina and northern South Carolina in the United States. Via the Congaree, it is part of the watershed of the Santee River, which flows to the Atlantic Ocean...

, about 50 miles (80 km) long, in northwestern South Carolina

South Carolina

South Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...

 in the United States

United States

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

 . One of its principal headwaters tributaries also drains a small portion of western North Carolina

North Carolina

North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...

. Via the Broad

Broad River (Carolinas)

The Broad River is a principal tributary of the Congaree River, about 150 miles long, in western North Carolina and northern South Carolina in the United States. Via the Congaree, it is part of the watershed of the Santee River, which flows to the Atlantic Ocean...

 and Congaree

Congaree River

The Congaree River is a short but wide river in South Carolina in the United States; It flows for only 47 miles . The river serves an important role as the final outlet channel for the entire Lower Saluda and Lower Broad watersheds, before merging with the Wateree River just north of Lake Marion to...

 Rivers, it is part of the watershed

Drainage basin

A drainage basin is an extent or an area of land where surface water from rain and melting snow or ice converges to a single point, usually the exit of the basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean...

 of the Santee River

Santee River

The Santee River is a river in South Carolina in the United States, long. The Santee and its tributaries provide the principal drainage and navigation for the central coastal plain of South Carolina, emptying into the Atlantic Ocean approximately from its farthest headwater on the Catawba River...

, which flows to the Atlantic Ocean

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

 . The stream's name has also been spelled historically as "Pacolate River" .
The Pacolet is formed by the confluence of its short north and south forks :

• The North Pacolet River rises in the Blue Ridge Mountains
  Blue Ridge Mountains
  The Blue Ridge Mountains are a physiographic province of the larger Appalachian Mountains range. This province consists of northern and southern physiographic regions, which divide near the Roanoke River gap. The mountain range is located in the eastern United States, starting at its southern-most...
  
   in southeastern Henderson County, North Carolina
  Henderson County, North Carolina
  Henderson County is a county located in the U.S. state of North Carolina. It is part of the Asheville, North Carolina, Metropolitan Statistical Area. As of 2008, the population was 102,367. Its county seat is Hendersonville.- History :...
  
   and flows eastwardly into Polk County
  Polk County, North Carolina
  Polk County is a county located in the U.S. state of North Carolina. As of 2010, the population was 20,510. Its county seat is Columbus.-History:The county was formed in 1855 from parts of Henderson County and Rutherford County...
  
  .