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The Arkansas Arboretum is a 71-acre (29 ha) arboretum within Pinnacle Mountain State Park in Little Rock, Arkansas, United States.[1] Situated below Pinnacle Mountain along the Little Maumelle River,[2] the arboretum's flora and tree plantings correspond to Arkansas's six geographical regions, ranging from the flat-topped hills and steep valleys of the Ozark Plateau to the flat bottomland and tallgrass prairies of the Mississippi alluvial plain, with a 0.6-mile (1 km) paved interpretive trail.[3]
34°50′10″N 92°28′48″W / 34.836°N 92.480°W