The temple is believed to get existed with the time of Ramayana. Lord Hanuman's statue Here's twenty toes long and eight toes wide and it is underground, within a reclining placement. As a result, it's also called 'Lete (lying down) Hanuman' mandir. Half from the idol is immersed in water. https://indiantempleadelaide.home.blog/2024/02/21/embracing-devotion-hanuman-temple-in-adelaide/