« All Events This event has passed. Umpherston Sinkhole (Cenote) April 27 @ 11:41 pm The Sound of Music » Add to calendar Google Calendar iCalendar Outlook 365 Outlook Live Details Date: April 27, 2024 Time: 11:41 pm Venue Umpherston Sinkhole (Cenote) Jubilee Highway East Mount Gambier, South Australia 5290 Australia + Google Map