Mari-Osa Access
Mari-Osa Access
Mari-Osa Access is a 28. 2-acre boat ramp facility on the Osage River near Jefferson City, featuring a single concrete boat ramp and one ADA-accessible parking area.
The site includes primitive campsites with fire rings and is located across and upriver from the mouth of the Maries River; note that floating trees occasionally get caught on the boat ramp.
Access is maintained seasonally (March 15 - October 31) and managed by the Missouri Department of Conservation Fisheries Division.
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Find excellent fishing spots, easy access to boat ramps, and all the amenities you need for a memorable day. Your adventure starts here.
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