Therapeutic horse riding (THR) is a non-traditional intervention that may support mental well-being in individuals with autism spectrum conditions. Despite growing interest, most research has focused on children and has tended to privilege practitioner or care-giver perspectives, leaving autistic adults underrepresented. This qualitative study ex-plores the psychological benefits and systemic barriers associated with THR among Autistic adults, drawing on perspectives from both clients and practitioners. Semi-structured interviews were conducted with six Autistic clients and four practitioners, and the data were analysed using reflexive thematic analysis. Five overarching themes were constructed: Facing the Puissance, Pathways to Participation, Embodied Engage-ment, To Understand and To Be Understood, and Beyond the Arena – Impacts That Last. Participants described enjoyment, increased confidence, and a sense of achievement, with effects accumulating over time and often extending beyond the riding arena into daily life. Barriers included cost, accessibility, and limited availability of appropriately trained staff and facilities. The findings contribute to a limited evidence base on THR for Autistic adults and suggest that THR can enhance well-being, self-agency, and relation-ship-building, whilst also revealing structural obstacles that restrict equitable access.