Pony Express is a roller coaster in Ghost Town at Knott's Berry Farm. While it's not the best, it is also recommended. The minimum height to ride is 48 inches.
"Pony Express" is a Zamperla design that places riders on one of 16 "horses," which launch from zero to 38 mph in three seconds. The Pony Express-themed ride takes riders through a series of banked turns and hills over a 1,300-foot track.