Tucked into the rugged Ozark Mountains near Kingston in Newton County, Arkansas, Lost Valley State Park packs an extraordinary amount of natural wonder into its 280 acres. This compact park consistently earns near-perfect ratings from visitors—4.9 out of 5 stars across 610 reviews—and it’s easy to see why.

The park’s crown jewel is the Lost Valley Trail, a moderate 2.2-mile round-trip hike that leads through a lush box canyon carved by Clark Creek. Along the way, you’ll encounter Eden Falls, a stunning waterfall that tumbles into a natural amphitheater, and the park’s most thrilling feature: Eden Falls Cave. Visitors can venture into this walk-in cave with a flashlight to discover a second, hidden waterfall deep inside—an experience that feels genuinely magical.

The trail winds past towering bluff shelters once used by prehistoric peoples, massive boulders, and old-growth hardwoods. Wildlife sightings are common, and the creek crossings add a sense of adventure, especially after rainfall when the falls run strongest.

Spring and fall offer ideal conditions—comfortable temperatures, vibrant foliage, and robust water flow. Summer brings crowds and lower water levels, while winter offers solitude and ice formations on the falls for the adventurous.

Come prepared with sturdy shoes, a flashlight for cave exploration, and water. The terrain is uneven but manageable for most fitness levels. Lost Valley delivers a wilderness experience that feels far more remote than its accessible location suggests—a true Ozark gem worth the visit.

Explore Nearby

• Ozark–St. Francis National Forest — National Forest in Arkansas
• Talimena Scenic Drive — Scenic Byway in Arkansas
• Great River Road — Scenic Byway in Arkansas