Great Falls Canal and Locks

Great Falls Canal and Locks (HM2R0)

Location: Potomac, MD 20854 Montgomery County
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Country: United States of America
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N 38° 59.425', W 77° 14.977'

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National Historic
Civil Engineering Landmark
Great Falls Canal and Locks
Constructed 1785-1802. Operated until 1821
These works were the major feature
of the first river navigation system
for trade with the west.
This pioneer waterway was begun
under the leadership of George Washington
as president of the Potowmack Company, 1785-89.
HM NumberHM2R0
Placed ByAmerican Society of Civil Engineers
Marker ConditionNo reports yet
Date Added Wednesday, September 10th, 2014 at 2:02pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)18S E 305164 N 4318120
Decimal Degrees38.99041667, -77.24961667
Degrees and Decimal MinutesN 38° 59.425', W 77° 14.977'
Degrees, Minutes and Seconds38° 59' 25.50" N, 77° 14' 58.62" W
Driving DirectionsGoogle Maps
Area Code(s)240, 301
Closest Postal AddressAt or near 2601-2699 Billy Goat Trail Section A, Potomac MD 20854, US
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