Marmet Locks And Dam

Quick Facts

Marmet Locks And Dam

West Virginia

(304) 949-1175

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Marmet Locks and Dam is located at mile 67.7 of the Kanawha River. The locks were opened in 1933 and the dam was completed in 1934. The two lock chambers measure 360' by 56'. The project is located about 9 miles upstream of Charleston West Virginia, and is approximately 27 miles from the head of navigation.

Marmet Locks and Dam, built in 1934, are currently the busiest locks in the Ohio River System in terms of commercial lockage cuts. Small twin 360'x 56' chambers can process only one modern jumbo (195'- 200' x 35') barge at a time. An improvement to Marmet Locks was authorized in 1996. The project is a new 110' x 800' lock chamber to go with the existing pair of 54' x 360' chambers. This project contains a number of innovative features which have greatly reduced expected construction costs. These features include long-span prefabricated beams for the upper approach wall; sill face intakes for the filling and emptying (F&E) system (which eliminates mass concrete upper approach walls), a central culvert F&E system (which permits smaller chamber monoliths), and a minimal cofferdam footprint. The new lock chamber became operational in 2008 and all construction was completed in 2009.

Map of Marmet Locks & Dam

Latitude, Longitude: 38.253434, -81.559842



  • Fishing

    Located on the bank of the Kanawha River near the mouth of Burning Springs.

  • Picnicking

    Picnicking areas open during the day.



Not available.

Phone Numbers


(304) 949-1175