Sugarloaf Mountain and Urca Hill Natural Monument Mountain, then an island, on 1 March 1565. The site was chosen to guard the entrance to Guanabara Bay, and the mountain was important as a signalling point. A landfill connected the island to the mainland in 1697, and various buildings were erected to defend the territory, but the Urca urban neighborhood was only built 300 years after the city was founded. The Sugarloaf Mountain and Urca Hill Natural Monument was created by the city of Rio de Janeiro by municipal decree 26578 of 1 June 2006. The objectives are to guarantee green spaces for leisure in a natural area,
Sugarloaf Rock, Western Australia Sugarloaf Rock, Western Australia Sugarloaf Rock, also known as Sugarloaf Rocks and Sugar Loaf Rock, is a large, natural granite island in the Indian Ocean just off the coast situated approximately south of Cape Naturaliste in the South West region of Western Australia. It is separated from the mainland by a thin channel of treacherous water. The rock is one of the most photographed attractions and it has appeared on the cover of the Australian Geographic magazine. The rock derives its name from the distinctive conical shape reminiscent of an old style sugarloaf. It is designated as a nature reserve