Abstract: A foldable hand rail for the side entrance of a camper trailer. The top end of the hand rail is pivotally carried in a bracket mounted upon the side of the camper trailer, and the hand rail may swing from a down-hanging, folded position alongside the camper wall to an outwardly-inclined position for use. This hand rail is supported by a strut. The bottom end of the strut is pivotally connected to a bracket upon the side of the camper trailer. It will thus swing from a folded position against the side of the camper and under the hand rail to an outwardly-inclined position where the top of the strut supports the extended end of the hand rail. A throw arm connects the hand rail and strut. One end of the throw arm is pivoted to an intermediate point on the hand rail and the other end is pivoted to the upper end of the strut. Thus, it may swing from a first position when the two components are retracted against the side of the camper trailer to an opposite position when the components are extended.