Mount Warning Caldera

Photo: KHN45 / CC BY-SA 4.0

Rising from the lush border country of New South Wales and Queensland, Mount Warning (Wollumbin) is the remnant core of an ancient shield volcano that erupted some 23 million years ago. The caldera it left behind — a vast, verdant bowl ringed by World Heritage-listed rainforest — is one of Australia's most dramatic landscapes. For travellers, this is a place of raw natural power, Indigenous cultural significance, and exceptional outdoor adventure. Whether you're summiting the peak at dawn or exploring the caldera's rim, the experience is unforgettable.

Highlights & What to See

Suggested Time to Spend

Dedicate a full day to experience the caldera properly. Most visitors start before dawn for the summit walk (allow 4–5 hours return) then spend the afternoon exploring the park's lower trails or the Tweed Valley. If you're not climbing, half a day is enough for scenic drives and a few short walks. For a relaxed pace, base yourself in Murwillumbah or Uki for two nights and combine the caldera with nearby beaches and national parks.

Nearby Areas Worth Combining

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