This chapter provides detail description of Pes Cavus deformity. Chapter has 15 well illustrated diagrams and pictures. Biomechanics of foot, Charcot-Marie-tooth disease, Friedreich ataxia, Roussy-Levy syndrome, poliomyelitis, post-polio syndrome, residual congenital clubfoot, polyneuritis, muscular dystrophy, cerebral palsy, plantar fascia release, dorsal wedge osteotomy, Dwyer osteotomy, Samilson osteotomy are described in detail covering etiopathogenesis, clinical presentation, diagnosis and management. 2 tables are included to highlight etiology of pes cavus and radiographic measurements of manifested deformity. One flow chart is added to depict minimal invasive deltoid ligament reconstruction. 91 references are included at the end of the chapter to facilitate further reading.