The staircase occupies a peculiarly rich position in the depth-psychological corpus, functioning simultaneously as a somatic symbol, a vertical cosmological axis, and an instrument of spiritual teleology. Freud’s foundational contribution is to read the staircase dream as a consistent symbol of sexual intercourse—the rhythmic mounting of steps correlating with coital rhythm and the breathlessness attending excitement—a reading he elaborates across multiple passages in The Interpretation of Dreams and the Introductory Lectures, where staircase dreams appear as a named subcategory of typical dreams. Jung and the analytic tradition after him extend the symbol upward into the archetypal register: the staircase as passage between psychic levels, between the mundane and the numinous, between conscious and unconscious strata. Eliade, approaching from the history of religions, situates the staircase within a vast cross-cultural complex of shamanic ascent, funerary soul-ladders, and divine descent; for him the staircase is the axis mundi rendered as sequential movement. The ascetic tradition, represented here by Climacus, Evagrius, and their commentators, transforms the staircase into the Ladder of Divine Ascent—a thirty-rung programme of moral and contemplative progress. Carson deploys the Escherian staircase as a literary-critical figure for the paradoxical structure of erotic poetry. What unites these otherwise disparate deployments is the shared conviction that vertical movement along a staircase encodes psychic or spiritual transformation—ascent toward integration, descent toward the instinctual or chthonic.