Hippo's Yawn

Hippo's Yawn is a granite rock formation located near Hyden in the Shire of Kondinin, Western Australia, about 4 kilometres east of Wave Rock. The weathered granite cave resembles a yawning hippopotamus, giving the site its name. Formed over 2.7 billion years ago, it is a prominent natural attraction within the Wave Rock precinct. Visitors access it via a short walk from a car park and view the distinctive overhang and interior hollow.

Visitors can expect a large granite outcrop with a cave-like hollow that resembles a yawning hippopotamus when viewed from the front. The site is set in open bushland with granite surfaces and native vegetation. A short walking trail leads from the car park to the formation where visitors can enter the shallow cave, view the textured granite walls and ceiling, and take photographs. The surrounding area is quiet and natural with interpretive signage explaining the geology.

Granite inselberg formed approximately 2.7 billion years ago as part of the Yilgarn Craton through weathering and erosion of granite. The formation is part of the ancient landscape of the Wheatbelt region and lies within the traditional lands of the Noongar people, near Aboriginal heritage sites such as Mulka's Cave.

Located within Noongar country and part of the cultural landscape associated with nearby Aboriginal rock art at Mulka's Cave. The formation is an iconic natural landmark that contributes to the regional identity and tourism of Hyden and the Wave Rock precinct.