Briars Geocaching Summer 10 Dec 2023 Want to take treasure hunting to the next level? Then the Briars site-wide geocaching is for you! We're putting a Briars spin on traditional geocaching with themed 'caches' or boxes hidden onsite. The Briars, 450 Nepean Highway, Mount Martha 3934 50 more dates Tagged as: , Online, Community, Family Friendly, School Holiday Program, Shire Events