Just as a city, county or state has boundaries,
so does a watershed. A divide represents the boundary of a watershed.
Think of this as a line that connects all the highest points in
an area.
For example, see this illustration by fourth grade students in
a school located on a watershed divide.
This
project was developed with funding from the University of Missouri Extension
and in collaboration with the South Missouri Water Quality Project of
the USDA Natural Resources Conservation Service (NRCS).