Sleeping Beauty Rock — Green Island is an island formed by volcanic activity. Part of the east coast is speculated by scholars to have once had a caldera, leaving behind not only volcanic neck remnants but also a series of geological formations around the crater walls due to varying resistance to weathering.

Sleeping Beauty Rock. Green Island is an island formed by volcanic activity. Part of the east coast is speculated by scholars to have once had a caldera, leaving behind not only volcanic neck remnants but also a series of geological formations around the crater walls due to varying resistance to weathering. Green Island is an island formed by volcanic activity. Part of the east coast is speculated by scholars to have once had a caldera, leaving behind not only volcanic neck remnants but also a series of geological formations around the crater walls due to varying resistance to weathering. Looking out from the Small Great Wall at Haishenping, a geological formation resembling a reclining pug dog in the sea is known as "Pug Dog Rock." Together with the nearby Sleeping Beauty Rock, they are called "Sleeping Beauty and Pug Dog." Address: 臺東縣綠島鄉環島公路約8公里處 Hours: 00:00–23:59 Taitung