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 Fire Tower Historic District Sugarloaf Fire Tower Historic District The Sugarloaf Fire Tower Historic District encompasses a collection of historic buildings located near the summit of Sugarloaf Mountain, a hill 1150 feet in elevation in the Ozark-St. Francis National Forest of northeastern Stone County, Arkansas. The main structure is a braced metal-frame fire tower, alongside which stand a residence, privy, and vaulted stone storage cellar. These structures were all built in 1937 by a crew of the Civilian Conservation Corps, and is particularly unusual because the fire watch facility included a residence. The district was listed on the National Register of Historic Places in