A slope device for a wheelchair enhances the safety of the travel of the wheelchair by allowing the user of the wheelchair to recognize, before the wheels make contact with wall sections, that the wheels are close to the wall sections. A slope device (1) for a wheelchair, used by being laid between positions across a stepped section (L). The slope device (1) for a wheelchair is provided with: a body section (7A) which has an upper surface (6A) thereof formed flat at least a pair of wall sections (8A, 9A) which protrudes from the upper surface of the body section and is disposed substantially parallel to the laying direction (D) in which the body section is laid across the stepped section and an attention attracting section (10A, 11A) which is provided on the upper surface of the body section at a position between at least a pair of wall sections so as to be present within a predetermined range from one of the pair of wall sections, which protrudes or is recessed from the upper surface, and which is provided further toward the upper surface side than a portion (21A, 22A) which is most separated from the upper surface of said wall section.