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Ellis Bay Access

Community
St. Charles County, Missouri, 63386→|Alton Slough· lake· 386 ac|West Alton→

Location

GPS Coordinates

About This Ramp

Surface
Gravel
OpenStreetMap1 data sourceUpdated Mar 2026

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Ellis Bay Access is a public boat ramp on Alton Slough in West Alton, St. Charles County, Missouri (63386). GPS coordinates: 38.8681°N, 90.1753°W.