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New York State Canal Corporation

Notice to Mariners

Champlain Canal – Comstock and Whitehall

July 11, 2023

Mariners are advised that Champlain Canal Locks C-11 in Comstock and Lock C-12 in Whitehall are closed to navigation due to high flows from recent heavy rainfall. Boaters should plan itineraries accordingly.

Updates will follow.

Charts covering the affected areas can be found at and

Features along 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 or follow the Canal Corporation on FacebookInstagramTwitter, or LinkedIn.

In case of emergencies, please call the Canal Corporation’s Emergency Call Center at 833-538-1042.