The Lopatcong joins the Delaware in Phillipsburg. The name of the creek is derived from the Lenni Lenape — Lowan peek achtu onk, which meant "winter watering place for deer,"[6][7] or "at the swift river".[8]
^U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed December 21st, 2019
^Grumet, Robert. Manhattan to Minisink: American Indian Place Names of Greater New York and Vicinity, University of Oklahoma Press, 2013. ISBN0-8061891-3-4