Medusa, Steel roller coaster at Six Flags México, Mexico.

Medusa Steel Coaster is a steel roller coaster in the Pueblo Vaquero area of Six Flags México, designed by Alan Schilke and built by Rocky Mountain Construction. Its I-Box track, converted from the earlier wooden Medusa, climbs a 36-metre lift hill, drops at 54 degrees and runs through three inversions, including zero-g rolls. Two six-car trains seat riders two by two behind lap bars.

The original Medusa was a wooden coaster that was replaced with a steel version opening in June 2014. This redesign by Rocky Mountain Construction transformed the ride into an entirely new attraction while keeping the same location.

The name Medusa comes from Greek mythology, but the sources record no thematic link between the name and the ride's layout. What visitors can note is the ride's setting in the Pueblo Vaquero area of Six Flags México, and that the 2014 opening celebration drew Mexican celebrities including Eugenio Derbez, Danna Paola and Drake Bell, who gave positive reviews.

Medusa Steel Coaster sits in the Pueblo Vaquero area of Six Flags México. Riders are held by a lap bar, and each of the two Rocky Mountain Construction trains has six cars seating four people in two rows of two. The lift hill rises 36 metres before the first drop at 54 degrees.

Medusa Steel Coaster was Rocky Mountain Construction's third I-Box installation and the second of these to include an inversion. The conversion kept the original wooden support structure while replacing the track. The first drop descends at 54 degrees after the 36-metre lift hill, and the train passes two further zero-g rolls before returning to the station.