Massena in Saint Lawrence County, New York — The American Northeast (Mid-Atlantic)
Stepping Down the St. Lawrence
—History of the Coast —
How Does a Lock Work?
1) A) Filling valve opened. Emptying valve closed.
B) Water enters by gravity. Gate closed. Ship waiting to enter.
C) Chamber fills to upstream level.
D) Attendant opens gate. Catch cable lowered.
2) A) Attendants tie off ship.
B) Filling valve closed.
C) Emptying valve opens.
D) Water empties by gravity.
3) A) Water equals down stream level.
B) Downstream gates open. Filling valve closed. Emptying valve open.
C) Ship departs.
A Tight Fit. Lock Cross Section.
Navigators must thread their massive ships into a space that is only slightly larger than the ship's beam (width.)
Filling Time: 7 Minutes
Emptying Time: 7 Minutes
Time in Lock: 20 Minutes
Gallons of Water: 22 Million
Ships Raised/Lowered: 42 feet
Ocean and lake vessels are raised and lowered from the Atlantic Ocean to Lake Superior by locks. Ships from 50 different countries pass through this lock transporting goods around the globe.
Profile of the St. Lawrence Seaway
Lake Superior, Lake Michigan, Lake Huron, Lake Erie, Lake Ontario, Lake St. Lawrence, The Eisenhower Lock, Lake St. Francis, Lake St. Louis, Tidewater Section
The Seaway connects the interior U.S. and Canadian markets to the world
Seaway Trail, Inc., Corner
Erected by Seaway Trail, Inc.
Marker series. This marker is included in the Great Lakes Seaway Trail National Scenic Byway marker series.
Location. 44° 58.814′ N, 74° 51.017′ W. Marker is in Massena, New York, in Saint Lawrence County. Marker can be reached from Barnhart Island Road 1.1 miles north of New York State Route 131. Touch for map. Marker is at the overlook on the north side of the lock. From NY Route 131, travel north on Barnhart Island Road towards Robert Moses State Park. After exiting the tunnel under the lock, make a right hairpin turn to the overlook area. As the road enters the parking area, the marker is straight ahead, across the parking lot. Marker is in this post office area: Massena NY 13662, United States of America.
Other nearby markers. At least 8 other markers are within 11 kilometers of this marker, measured as the crow flies. Lost Villages of the St Lawrence (approx. 3.6 miles away in Canada); The Empire State (approx. 6.1 kilometers away); Dedicated to All Members of the U.S. Armed Forces (approx. 6.3 kilometers away); Site of First School in Massena In Memory of Those Who Made the Supreme Sacrifice (approx. 6.4 kilometers away); The Rev. John Strachan in Cornwall (approx. 10.2 kilometers away in Canada); Cornwall Canal (approx. 10.4 kilometers away in Canada); The Founding of Cornwall (approx. 10.4 kilometers away in Canada). Touch for a list and map of all markers in Massena.
Also see . . .
1. Saint Lawrence Seaway - Wikipedia. (Submitted on December 1, 2014, by Anton Schwarzmueller of Wilson, New York.)
2. Ships Navigating the System - The St. Lawrence Seaway Management Corporation. Shows names and locations of ships currently navigating the Seaway. (Submitted on December 1, 2014, by Anton Schwarzmueller of Wilson, New York.)
3. 300 Years of Seaway History - The St. Lawrence Seaway Management Corporation. (Submitted on December 1, 2014, by Anton Schwarzmueller of Wilson, New York.)
Categories. • Waterways & Vessels •
Credits. This page was last revised on June 16, 2016. This page originally submitted on December 1, 2014, by Anton Schwarzmueller of Wilson, New York. This page has been viewed 234 times since then. Photos: 1, 2, 3, 4, 5, 6, 7, 8. submitted on December 1, 2014, by Anton Schwarzmueller of Wilson, New York. • Bill Pfingsten was the editor who published this page.