Harsiddhi Mataji or Harshal Ma temple is one of the oldest temple located on Porbandar – Dwarka highway and at top pf Koylo Dungar hill near Gandhvi Village, near Porbandar, Gujarat. This historical temple is dedicated to Goddess Harshiddhi and believed to be Kuldevi of Lord Shri Krishna and Yadav dynasty. This shrine is major pilgrimage center near Porbandar and very well-known across Gujarat. As per the legend, this temple was built by Jain Businessman Jagdu Shah in 13th century and got the blessing from Ma Devi Harshiddhi thus idol of Jagdu shah was also placed here. Tourist and devotee can reach original shrine by climbing around 300 steps on the Koylo Dungar hill. From the temple, they can have a beautiful view of the sea and its surrounding plains. It is also said that the original shrine at the hill was constructed by Lord Krishna himself after Goddess Amba helped him defeat to Jarasandha.