 Witnesses said a man jumped from a cliff about 60 feet above the river near Centennial Waterfront Park about 3.45 Monday afternoon. Sheriff's Office spokeswoman Lori Stewart said the man's body was found east of the area. The Twin Falls County Sheriff's Office is still investigating. If you are going into the backcountry this Fourth of July weekend, stay out of areas with an orange sign. Biologists from the Idaho Fish and Game are beginning their annual grizzly bear research in the Upper Snake region.