A portable slope comprising at least a plate member and a first reinforcing part, and configured in a manner such that the first reinforcing part extends in the longitudinal direction of the slope, a hollow part is formed between the plate member and the first reinforcing part, the shape of the cross-section perpendicular to the longitudinal direction of the first reinforcing part is quadrangular, and the like. Provided is a portable slope to be used to bridge a difference in step produced between buildings and train car bodies, the portable slope being lightweight and exhibiting excellent load bearing characteristics and durability, making it possible for a wheelchair-user to safely travel on the slope by the positioning of derailment prevention walls on both lateral surfaces of the slope, and further exhibiting excellent portability as a result of the slope itself being lightweight.