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**Location & Access:** Sumner Access is located two miles west of Sumner on Highway 139 near the Grand River Bridge in Chariton County, MO. This is a primitive river access point with no developed facilities, suitable for kayakers, canoeists, and small boats launching directly into the river.
**River Conditions:** The Grand River at this location is a major river system (Stream Order 8) with an average flow of 5,442 cubic feet per second and moderate current at approximately 2.7 feet per second. The river has a gentle gradient averaging 2.9 feet per mile in this section. Paddlers should expect a substantial river with steady flow characteristics typical of a major waterway, though conditions can vary seasonally.
**What to Expect:** This is a day-use access point with minimal amenities—plan accordingly with water and supplies. The site appears to be open during daylight hours, though river access and boat launching may be permitted during extended hours. Nearby Swan Lake National Wildlife Refuge offers additional recreation opportunities in the area. Primitive camping may be available at or near the access point; check current conditions and regulations with Missouri Department of Conservation before your visit.