Western Australia · Attraction
Lake Cave
Underground lake and wonder
schedule 1 min read / Updated Jun 2026
Lake Cave is the deepest show cave in the Margaret River region and the only one with a permanent underground lake. Its crowning feature is the suspended table, a delicate calcite formation weighing over five tonnes that appears to float above the still, mirror-like water below. Fully guided one-hour tours depart regularly, with a maximum of 30 guests.
The descent into Lake Cave begins with a steep staircase through a sinkhole opening, framed by tree roots and ferns, before opening into a series of cathedral-like chambers. The stillness of the underground lake reflects every stalactite overhead, creating a doubled image that stops most visitors in their tracks.
The suspended table is the cave's centrepiece, a fragile aragonite formation hanging from the ceiling over the lake. Guides explain how such formations grow barely a cubic centimetre per century and why even changes in air movement from visitor numbers must be carefully managed to protect them.
Lake Cave is located within Leeuwin-Naturaliste National Park and is managed by the Capes Foundation. Bookings are strongly recommended during school holidays, as tour numbers are strictly limited to protect the cave environment.
Scenic views
Lookouts near Lake Cave.
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