lock
fall structure with a fixed chamber in which the water level changes
Halle-Stadt lock
lock in Halle (Saale), Germany
Lock Petrov
lock on Baťa Canal in Czechia
Bonneville Dam
dam on the Columbia River, Oregon and Washington, USA
Soo Locks
dam in Sault Ste. Marie, Chippewa County, United States of America
Sluice II
canal lock Tjonger
Sas
floodgate in the municipality of Genemuiden, Zwartewaterland in the Netherlands
Charlottenburg lock
lock in Berlin, Germany
inundation lock
type of lock
Caen Hill Locks
Flight of locks on the Kennet and Avon Canal
Aberdeen Lock and Dam
dam in Monroe County, Mississippi, United States of America
Cascade Locks and Canal
decommissioned canal in Oregon, USA
Commercial Road Lock
lock on the Regent's Canal, in the London Borough of Tower Hamlets
guillotine lock
type of canal lock
Hannibal Locks and Dam
dam in Hannibal, Ohio, / New Martinsville, West Virginia
Hildebrand Lock and Dam
dam in Monongalia County, West Virginia, USA
Isis Lock
lock in Oxfordshire, South East England, England, UK
Johnson's Lock
lock in London Borough of Tower Hamlets, London, England, UK
Jones Falls Dam
Dam in Ontario, Canada
Old Windsor Lock
lock on the River Thames in Berkshire, England
Ponder's End Lock
paired lock on the River Lee Navigation in England
Tidewater Lock
defunct canal lock in Washington, D.C.
Howell Heflin Lock and Dam
lock and dam structures
Hertford Lock
lock in Hertfordshire, England, UK
Whitchurch Lock
lock and weir situated on the River Thames in England
Four Canal Locks, Leeds And Liverpool Canal
lock in Liverpool, Merseyside, England, UK
Dutton Locks
lock in Dutton, Cheshire West and Chester, Cheshire, England, UK
John Day Dam
concrete gravity run-of-the-river dam on the Columbia River in Oregon and Washington, United States
Kaiser lock
lock in Bremerhaven, Germany
Royers Lock
lock in Antwerp, Belgium
Sluice I
canal lock Tjonger
Jim Woodruff Dam
hydroelectric dam in Florida, United States
Hungerford Lock
lock on the Kennet and Avon Canal in Hungerford, Berkshire, England, UK
County Lock
lock on the River Kennet in the English town of Reading
Acton's Lock
lock in London Borough of Hackney, London, England, UK
Bray Lock
lock and weir on the River Thames in Buckinghamshire, England
Dobbs Weir Lock
lock in Hertfordshire, England, UK
Enfield Lock
lock on the River Lee Navigation in the London Borough of Enfield, England, UK
Goring Lock
lock and weir on the River Thames in Oxfordshire, England
Grays Landing Lock & Dam
dam in Pennsylvania and Monongahela Township, Pennsylvania
Hawley Lock
lock in London Borough of Camden, London, England, UK
Hiram M. Chittenden Locks
Shipping locks at seaward entry to the Lake Washington Ship Canal
Holt Lock and Dam
dam in Tuscaloosa County, Alabama, United States of America
John T. Myers Locks and Dam
dam in Kentucky, United States
Kentish Town Lock
lock on the Regent's Canal, in the London Borough of Camden
Maxwell Lock & Dam
dam in Fayette County, Pennsylvania, United States of America