Place

Pawtomac Canal Holding Basin

A dirt/gravel pathway is surrounded by short walls of rock on either side.
Patowmack Canal Holding Basin

Photo: NPS / Claire Hassler

Quick Facts

Historical/Interpretive Information/Exhibits

Since entering the woods you have been walking through what was the holding basin of the Patowmack Canal. Water held here by the wooden gates was used to fill the locks for boats locking through.

Great Falls Park

Last updated: July 24, 2026