This collection of caches has nothing to do with the Church Micro series in the UK. Given that the Australian 2021 census indicates that No Religion and Jedi Knight are still the fastest increasing classifications of the optional religion question "What is the person's religion?" it is not surprising that there is surfeit of empty churches that have been repurposed.
Lyndoch Bible Christian church
One of the oldest buildings in the Barossa Valley. Opened 5 Nov 1854 by Revs M Lewis & J Ridclift, sold 1878 for £50. Used as institute & library until 1912. Now private. With an ironstone exterior and cathedral ceilings the cottage was lovingly restored in the 1980's. A successful and highly valued self-contained B&B since 1995, known currently as The Chapel.
To find the cache complete the Wherigo cartridge found here (username and password is the same as you use on www.geocaching.com). With this information it is probably best to leave your car were it is parked and walk to the nearby cache location.