Devil's Punchbowl, Regional park in Los Angeles County, California.

Devil's Punchbowl is a regional park in the northern foothills of the San Gabriel Mountains featuring distinctive sandstone formations and geological layers. A central creek runs through eroded terrain surrounded by arid slopes and ridge formations.

Rock layers formed millions of years ago from water deposits and were later tilted by tectonic pressure from several major faults. The canyon's distinctive shape developed through ongoing erosion influenced by these geological forces.

The name comes from the canyon's bowl-like shape, a plunging syncline where rock layers fold into a V. The Punchbowl Formation of the Neogene period is the park's main draw, and the canyon reaches 300 feet deep at the vista point. Visitors can see the tilted strata along the one-mile loop trail.

The Devil's Punchbowl Loop Trail is a 1-mile loop from the nature center that highlights the geological features. The Burkhart Trail heads north for 13.7 miles, and the Devil's Chair Hike is a 7.5-mile round trip to a perched viewpoint. The Pacific Crest Trail crosses the park on an endangered species detour to protect the mountain yellow-legged frog.

This location brings together desert and mountain ecosystems, creating a rare transition zone valuable to different animal species. Visitors might spot deer, foxes, and occasionally bighorn sheep roaming the slopes.