Great Loop Lock Reference

O6 High Dam

Reviewed planning reference for lock approach, communications, and float-plan preparation.

Oswego Canal

O6 High Dam

Oswego, NY

Latitude / Longitude43.444680
-76.494940

Phone(315) 343-9001

VHF Channel13

Operating AuthorityNot listed

Last ReviewedNot listed

Lock Location

Zoomed-in location for this Great Loop lock reference.

About This Lock

Segment: Oswego Canal. Route status: core route to Lake Ontario / Trent-Severn or Welland. NY Canal dataset includes phone and coordinates; NY Canal navigation guidance uses Marine Channel 13 for lock operators. Source: https://data.ny.gov/Recreation/Canal-System-Locks/ta83-js48

Before You Arrive

Fenders ready
Lines ready
Crew briefed
PFDs on deck
Radio on correct channel
Call / monitor lock
Check current notices

Plan With FPW

Add lock planning context to your route and account for lock delays in your float plan.

Plan a Float Plan

Official Source

Official source

Open official source

Navigation Safety Note

This page is a planning reference, not a substitute for official notices, charts, lockmaster instructions, or current local conditions. Always confirm lock status, operating hours, closures, restrictions, and instructions with the official authority before arrival.