Darwin's Arch in Galapagos Collapses Due to Erosion The rock structure is about half a mile from Darwin Island and it's a popular spot for scuba divers Published 5 hours ago Galapagos National Park via AP The famed Darwin's Arch in the Galapagos Islands has lost its top, and officials are blaming natural erosion of the stone. Ecuador's Environment Ministry reported the collapse on its Facebook page on Monday. Download our mobile app for iOS or Android to get alerts for local breaking news and weather. The rock structure — 43 meters (141 feet) high, 70 meters (230 feet) long and 23 meters (75feet) wide — is less than 1 kilometer (about half a mile) from Darwin Island and it's a popular spot for scuba divers. It's not accessible by land.