Big Creek, a major tributary of the Buffalo River in Newton County, Arkansas, carves through some of the most rugged and pristine terrain in the Ozarks. This creek flows northward through the Gene Rush Wildlife Management Area (formerly Buffalo River WMA) before joining the Buffalo River near Mt. Judea. The stream winds through valleys characterized by towering bluffs that rise up to 200 feet above the streambed, creating dramatic topography with elevations ranging from 800 feet down to 200 feet above sea level. The creek's setting features the classic Karst topography of the region, with a limestone foundation that produces moonshine-clear riffles and dazzling aquamarine pools. This porous limestone substrate naturally filters the water, contributing to exceptionally high water quality. The Big Creek Natural Area encompasses approximately five miles of the creek's course and maintains diverse populations of fish and aquatic organisms. Beyond the public access points and outside canoe season, the creek offers that most elusive of natural treasures—blessed solitude.