Federal Lock at Troy, NY

The Federal Lock at Troy
Gateway to the NYSCS

The Federal Lock and Dam at Troy, NY, 134 NM above the Battery in New York City, marks the head of tidal waters of the Hudson River. Heading North on the Hudson River out of New York City it will be the first lock encountered when bound for the New York State Canal System.

Many mistakenly believe that this lock is part of the New York State Canal System (Erie Canal). However, it actually belongs to the United States Government and is operated by the U.S. Army Corps of Engineers.

Navigation Season

01 May thru 30 November


The lockmaster maintains a watch on VHF channel 13.

Lock Chamber

The lock chamber is 520.0 feet long and 45.0 feet wide and has a 14 foot lift.


The Troy Lock has 17 feet over the lock sills.


NOAA Chart's #12348 and #14786, provides coverage of the Troy Lock and Dam and its approaches.

Waypoint Location

Center of lock chamber: 42° 45.101’ N / 73° 41.092’ W

The Federal Lock at Troy
*Lock #   Elevation Next Lock  
Location Lift Southern End Northern End Distance **Transit Time @ 10 kts Lockmaster
Troy Lock Troy, NY 14.0’Up Arrow 1.3’ 15.3’ E-2 / 3.27 Miles 00:50 518 272-6442
  C-1 / 5.00 Miles 01:00
The Battery New York, NY --- --- --- 134.00 NM 13:24 ---
**Transit Time Includes Lockage Time
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