Elijah Mack river surfing huge river waves. These river waves are at Skookumchuck Narrows, home of the largest,most powerful and deadlist river surfing waves on earth. Elijah Mack river surfs on these huge river surfing waves over three summers for a total of three river surfing sessions. The first river surfing wave is "the Main Wave. The Elijah get towed-in to the monster river surfing wave known as "Tubesteak Wave" and then must be resuced before he is swept into the giant whirlpools directly behind the huge river surfing waves. Elijah Mack is the first and so far the only surfer to ride the "Tubesteak" wave.