Pleasant Run is a tributary of the South Branch Raritan River in central New Jersey in the United States.
Pleasant Run is approximately in length,Hunterdon County New Jersey 1834 running from its headwaters near Cushetunk Mountain, Cushetunk Mountain a plutonic intrusion of igneous rock surrounding Round Valley Reservoir, through Readington and Branchburg, to its convergence with the South Branch Raritan River near River Road in Branchburg.
Pleasant Run was originally called Campbell's Brook after John Campbell of Piscataway. Campbell in 1685, was granted a strip of land extending west from the South Branch and which surrounded Pleasant Run."John Dobie's Plantation" History of Branchburg. Accessed December 10, 2009.
Tributaries Pleasant Run has twenty-three small, unnamed tributaries in Branchburg and Readington.
Crossings Readington Springtown Road (4 crossings) CR 523/Flemington-Whitehouse Road CR 629/Pleasant Run Road US 202 Old York Road
Branchburg Otto Road Pleasant Run Road South Branch Road
See also List of rivers of New Jersey
References