Hell's Half Acre
40485 US-20
Casper, WY 82604
Overview
Hell’s Half Acre is a striking badlands formation located 40 miles west of Casper along Highway 20/26. Shaped by millions of years of erosion, its rugged landscape features colorful rock formations, deep ravines and otherworldly terrain. Explore the overlook and interpretive signs to learn about the site’s geology, fossils, Indigenous history and appearance as an alien planet in the film Starship Troopers.