The temple is thought to acquire existed from the time of Ramayana. Lord Hanuman's statue here is twenty toes long and 8 feet large and is underground, inside a reclining placement. Consequently, it's also referred to as 'Lete (lying down) Hanuman' mandir. Half of your idol is immersed in h2o. https://hanumantempleinadelaide.news.blog/2024/05/17/hanuman-mandir-a-spiritual-haven-in-south-australia/