Skip to global NPS navigation
Skip to main content
Skip to footer
National Park Service Logo
National Park Service
Return to The Civil War
Flood caused by rain and snowmelt on March 13-15, 2010
Looking downstream from Overlook 1
A view looking downstream near the time that the river crested.
Overlook 1 during the flood
The river was high enough to splash over the retaining wall next to the wayside.
View of the flood's crest from Mather Plaque on the River Trail.
AA Gorge footbridge on the River Trail
The AA Gorge bridge on the River Trail went underwater during the flood.
Overlook 3 near the flood's crest
Photo taken from Overlook 3 near the flood's crest.
High Water Marks pole
Flood's crest viewed from behind the High Water Mark pole. The water did not get high enough to cover the overlooks.
Downstream view from Overlook 3
A view looking downstream from Overlook 3. Clifftops that are normally 30+ feet above the river are under water.
Debris in Fisherman's Eddy
Debris floats in Fisherman's Eddy during the flood's crest. Most of it will be left behind as the flood waters recede.
North Parking Lot
Geese swim in the flooded field next to the north parking lot.
Tree floating downstream
A large tree is carried downstream through Mather Gorge.
Canal Cut during flood
The Canal Cut, where locks 4 and 5 were located, during the flood.
Overlook 1 Comparison Photo
Each of these photos was taken in the same location at Overlook 1.
Great Falls from Overlook 3
The Falls at a normal water level. During a flood, they are completely underwater.
Trails upstream of the Visitor Center
Flooding along the trail that connects Great Falls with Riverbend Park.
These waves are formed as floodwater flows over submerged rocks. C&O Canal's overlook can be seen to the right side of the picture.
Last updated: August 1, 2014