What this place feels like
Very nature-focused with very quiet, very intimate, somewhat local character.
Umpherston Sinkhole / Balumbul
Dive into a breathtaking natural wonder nestled in Mount Gambier, South Australia — the Umpherston Sinkhole, also known as Balumbul. This enchanting sunken garden is a vibrant oasis where cascading green vines and radiant foliage embrace the limestone walls of the sinkhole. Experience the calming sounds of native birds and the warm afternoon sunlight filtering through leaves, inviting you to wander winding paths amid this secret paradise. Let this immersive journey awaken your sense of discovery and inspire your next adventure through Australasia’s wild and serene landscapes.
Spring to autumn months (September to April) for warm, pleasant weather and vibrant foliage
Find tours on ViatorMost videos filmed Jan during summer. July is moderate - a good balance of visitors and space.
Frequently asked questions
Spring to autumn months (September to April) for warm, pleasant weather and vibrant foliage
1–2 hours
Comfortable walking shoes, Sunhat or cap, Camera or smartphone, Water bottle, and Light backpack
Nature Lovers, Solo Travelers, Families, Photographers, and Hikers
The nearest airport is Mount Gambier Regional Airport, approximately 15 minutes drive from the sinkhole.
Stay nearby in charming local bed and breakfasts, cozy inns, or boutique hotels scattered throughout Mount Gambier town center.Book a stay →
Combine your visit with a tour of the Blue Lake, Engelbrecht Cave adventure, or a scenic drive through the nearby forests and farmland.Book a tour →
Free entry
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One of 6 clips our travelers have filmed in Mount Gambier