Sawmill Road to Sundown Basin — Ozark National Forest Buffalo River Wilderness Edge via Boxley Valley Divide

The upper Buffalo River country in Newton County, Arkansas is some of the most underestimated terrain in the American South. The route departs the Boxley Valley — a narrow, fog-prone bottomland famous for its elk herd, reintroduced in the 1980s and now numbering over 600 animals — and climbs onto the sandstone ridge system that forms the spine of the Ozark National Forest above the Buffalo National River wilderness boundary. Forest roads wind through second-growth oak and hickory broken by limestone glades, eventually reaching Sundown Basin, a remote hollow on the river’s headwaters where river-level gravel bars and bluff overhangs have been camping destinations for Ozark locals for generations. The creek crossings on the lower approach are the gatekeeper — typically two to three depending on recent rainfall.

This is a moderate trail on paper that weather can turn into something legitimately challenging overnight. The clay-heavy Ozark soils become axle-deep mud after rain, and the creek crossings — typically wheel-well depth in normal conditions — can blow out fast after a thunderstorm. A high-clearance 4×4 is the right tool here; a locker helps in wet conditions. Best seasons are fall (October-November for foliage and elk rut) and late spring. No permit required; the Buffalo National River corridor has a free camping registration system worth checking. Cell service disappears quickly once you leave the valley. Fuel in Jasper — 20 miles south — before heading in.