Great Loop Lock Reference
Reviewed planning reference for lock approach, communications, and float-plan preparation.
Upper Mississippi River
Minneapolis, MN
Zoomed-in location for this Great Loop lock reference.
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Segment: Upper Mississippi River. Route status: all-possible extended Mississippi side route / start-end option. Coordinates are approximate station locations; verify phone/VHF through Corps Locks or current district notices. Rock Island District source identifies Mississippi lock-and-dam sites and river-mile data for many of these locks. Source: https://www.mvr.usace.army.mil/Missions/Navigation/Lock-and-Dam-Information/
Continue planning: Check Marine Weather, estimate your trip with the Boat Fuel Calculator, or review the Solo Boating Safety Guide.