Great Loop Lock Reference

Guntersville Lock

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

Tennessee River

Guntersville Lock

Grant, AL

Latitude / Longitude34.422800
-86.393000

Phone256-582-3263

VHF Channel16/13

Operating AuthorityNot listed

Last ReviewedNot listed

Lock Location

Zoomed-in location for this Great Loop lock reference.

About This Lock

Segment: Tennessee River. Route status: optional side trip / route-dependent. Approximate coordinates; TVA source lists lock phone numbers. Not required on the typical Kentucky/Pickwick/Tenn-Tom cut-through. Source: https://tva.com/environment/managing-the-river/contact-information

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.