Ohio River
Olmsted Locks and Dam
Olmsted, IL
Latitude / Longitude37.178000
-89.059000
-89.059000
Phone618-748-6403
VHF Channel13
Operating AuthorityNot listed
Last Reviewed2026-07-09
Great Loop Lock Reference
Olmsted Locks and Dam
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: Ohio River. Route status: core inland-river route toward Tennessee/Cumberland options. USACE Louisville District lists Olmsted address and phone; Waterway Guide lists VHF 13; verify latest status. Source: https://www.lrd.usace.army.mil/Mission/Projects/Article/3638713/olmsted-locks-and-dam/
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Olmsted Locks and Dam
