The Arkansas Arboretum 71 acres (29 hectares) is an arboretum located within Pinnacle Mountain State Park in Little Rock, Arkansas, USA. Situated below Pinnacle Mountain along the Little Maumelle River, 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 , paved interpretive trail.

See also

• List of botanical gardens in the United States