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Great Loop Lock Reference

South Mills Lock

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

Dismal Swamp Canal

South Mills Lock

South Mills, NC

Latitude / Longitude36.439450
-76.323883
Phone252-771-5906
VHF Channel13
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: Dismal Swamp Canal. Route status: alternate ICW route. Waterway Guide lists MM 32.7, fixed bollards, phone 252-771-5906, and VHF 13. Source: https://www.waterwayguide.com/lock/5-5/south-mills-lock

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

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