OCOTILLO WELLS -- A 22-year-old Menifee man was fatally injured while attempting a motorcycle jump at the Ocotillo Wells State Vehicular Recreation Area, the Riverside County coroner said Sunday.

Troy Bentley Thompson fell off his dirt bike Saturday afternoon as he tried a large jump in the Shell Reef area of the park, the coroner said.

He was pronounced dead at the Desert Regional Medical Center in Palm Springs about an hour later.

The California State Park police investigated the accident, the coroner said.