The Belon Devi Mandir is a revered temple located in Belon village, near the town of Narora in the Bulandshahr district of Uttar Pradesh. The temple is dedicated to Sarva Mangala Devi, the goddess of all wellbeing.

According to legend, the goddess appeared in a dream to Rao Bhup Singh, instructing him to recover her buried idol and build a temple in her honor. The temple is known for its ancient architecture and spiritual significance, attracting devotees from various parts of Uttar Pradesh.