The present work is the third of the proposed series of articles aiming at recording and studying the architectural features and decoration of the rock-cut tomb of the Twelfth Dynasty nomarch, Djefaihapi I (Tomb I; P10.1), who ruled Asyut during the reign of Senusret I. The main interest of this article is the publication and study of the remaining decoration of the tomb’s inner passage and the north wall of the great transverse hall. The tom’s plan and facsimile drawings of the decoration are produced.