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Great Loop Lock Reference

Jamie L. Whitten Lock and Dam

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

Tennessee-Tombigbee / Tombigbee

Jamie L. Whitten Lock and Dam

Dennis, MS

Latitude / Longitude34.519997
-88.321667
Phone662-454-7977
VHF Channel16/18
Operating AuthorityNot listed
Last Reviewed2026-07-09

Lock Location

Zoomed-in location for this Great Loop lock reference.

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About This Lock

Segment: Tennessee-Tombigbee / Tombigbee. Route status: core inland-river route to Mobile. Waterway Guide lists phone/VHF; coords from geographic source; USACE confirms Tenn-Tom lock schedule. Source: https://www.sam.usace.army.mil/Missions/Civil-Works/Recreation/Tennessee-Tombigbee-Waterway/Navigation/

Continue planning: Check Marine Weather, estimate your trip with the Boat Fuel Calculator, or review the Solo Boating Safety Guide.

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