Maui emergency crews found a male hiker about 10 feet down a steep embankment off the Twin Falls trail in Haiku Thursday.
Fire officials said they received the call at 9:32 a.m. They located a 47-year-old man, a visitor from California, about a quarter mile up the trail.
Bystanders were performing CPR before crews arrived on scene and continued their efforts, officials said.
The hiker was transferred to a nearby roadway where medical personnel were waiting. He was pronounced dead on scene.
The cause of death has not been determined.