Rafting was a recreational activity which involved using a small boat, known as a raft, to traverse along bodies of water or other liquids. In 2234, Leonard McCoy's cousin, David McCoy, drowned during a rafting trip down the Chattahoochee River on Earth. (TOS novel: Ice Trap) In 2264, Leonard McCoy rafted down the Colorado River on Earth prior to his appointment to the USS Enteprise as chief medical officer. (TOS novel: Enterprise: The First Adventure)