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The Walnut River Bridge Boat Ramp provides access to El Dorado Lake, an 8,000-acre reservoir impounding the Walnut River in Butler County. Located in Chelsea near the dam, this is one of four boat launch areas operated within El Dorado State Park, making it a convenient starting point for paddlers and boaters exploring the southern portion of the reservoir.
The Walnut River is a substantial waterway classified as a large river (Stream Order 7) with an average flow of over 1,000 cubic feet per second and moderate gradient of 3.3 feet per mile. Paddlers should expect steady current with an average velocity of about 3 feet per second. The reservoir setting provides calmer conditions than the free-flowing river sections upstream, making the lake suitable for kayakers and canoeists of varying skill levels. The park's Walnut River Area also features camping facilities and hiking trails, making it a full-service recreation destination.