Great Loop Lock Reference

CS4 Waterloo

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

Cayuga-Seneca Canal

CS4 Waterloo

Waterloo, NY

Latitude / Longitude42.901230
-76.863750

Phone(315) 539-3242

VHF Channel13

Operating AuthorityNot listed

Last ReviewedNot listed

Lock Location

Zoomed-in location for this Great Loop lock reference.

About This Lock

Segment: Cayuga-Seneca Canal. Route status: optional side route. 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.