Then in 1968, due to the ride's popularity, Six Flags added a second flume to next to the original doubling the capacity of the attraction.

El Aserradero's success inspired many amusement parks around the world to add a log flume of some type.

[1][2] Quietly, Six Flags Over Texas had removed the announcement and all of any details of the El Rio Lento on their website and at the park, creating rumors of the ride being canceled.

The log is carried up the lift hill on a conveyor belt, then drops down a slide into the flume, which is the highest part of the ride.

The log then floats around the curving flume, carried forward by the water and traveling slightly downhill.