Locks on the Chesapeake and Ohio Canal
Guard locks

Locks on the Chesapeake and Ohio Canal

Section Title: Guard locks
Table Section Text: None

Lock	Miles	Name	Nearby landmarks	Coordinates	Date	Photo

1	4	Guard Lock #1	Consists of 2 gates: a feeder and guard gate.	38°56′23″N 77°07′20″W / 38.939847°N 77.122232°W 38°56′27″N 77°07′24″W / 38.940797°N 77.12331°W	c. 1795	-

2	22	Guard Lock #2	Violette's lock	39°04′01″N 77°19′44″W / 39.06694°N 77.328851°W	Nov 1830	-

3	62	Guard Lock #3	Above Harpers Ferry	39°20′10″N 77°45′07″W / 39.33623478012774°N 77.75199501711157°W	Sept 1833	-

4	85.4	Guard Lock #4	Big Slackwater	39°30′11″N 77°50′42″W / 39.503118°N 77.845039°W	Apr 1834	-

5	106.8	Guard Lock #5	Little Slackwater	39°36′26″N 77°55′20″W / 39.607337°N 77.92211°W	Jan 1835	-

6	134	Guard Lock #6	39°37′29″N 78°17′30″W / 39.62482639486258°N 78.29161104978726°W	Oct 1838	-

7	164	Not built

8	184.5	Guard Lock #8	End of Canal, Cumberland MD	39°38′54″N 78°45′50″W / 39.648353°N 78.763884°W	May 1850	-

Sentence(s)

The guard lock #7 around mile 164 was never built.

final_sentence: The guard lock #7 around mile 164 was never built.