Tennessee River
Guntersville Lock
Grant, AL
Latitude / Longitude34.422800
-86.393000
-86.393000
Phone256-582-3263
VHF Channel16/13
Operating AuthorityNot listed
Last Reviewed2026-07-09
Great Loop Lock Reference
Guntersville Lock
Reviewed planning reference for lock approach, communications, and float-plan preparation.
Lock Location
Zoomed-in location for this Great Loop lock reference.
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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
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Guntersville Lock
