Hoodoo Basin, Geological basin in Park County, Wyoming, US

Hoodoo Basin is a basin in Park County, Wyoming, about 2,800 km west of Washington, D.C., near Yellowstone National Park. The area has a boreal climate: the average temperature is −3 °C, July averages 16 °C, December −16 °C, and annual precipitation is about 331 mm, with May the wettest month at roughly 70 mm.

The limestone pillars formed over millions of years as water and weather slowly shaped the rock into its current state. This natural process began far before human presence and continues to alter the landscape.

Hoodoo Basin lies in Park County, Wyoming, about 2,800 km west of Washington, D.C., in a boreal climate where the average temperature is −3 °C and July averages 16 °C. The surrounding land is public and open, so what a visitor notices is the weather and the scale of the basin rather than any built feature.

Reaching this basin requires solid hiking experience and proper preparation, as the trails are remote and demanding. Start early in the day, bring plenty of water and food, and be ready for steep sections and changing weather.

The trail to this basin climbs steeply right from the start, testing visitors' endurance before they even reach the rock formations. This demanding opening section filters out casual hikers and rewards those committed to the journey.