Flashboard Maintenance: Champlain Canal Lock C4 to Lock C5

06/13/2024 09:04 PM

Notice to Mariners

Champlain Canal - Stillwater

June 6, 2024

Mariners are advised that the upper navigation pool at Champlain Canal Lock C-4 in Stillwater is currently lowered by 6 to 8 inches below normal navigation pool level due to flashboard maintenance by the hydroelectric operator until further notice.

A chart showing the affected area can be found at


Features on the Champlain Canal are listed by mileage at 


The Canal Corporation urges all users and stakeholders to register to receive updates through the Notice to Mariners notification program by clicking here.

For general news, please visit www.canals.ny.gov or follow the Canal Corporation on FacebookInstagramTwitter, or LinkedIn.

To report an issue or incident along the Canal system, please call the Canal Corporation’s Emergency Call Center at 833-538-1042.