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 Mountain (Maryland) Sugarloaf Mountain (Maryland) Sugarloaf Mountain is a small (1,282 foot; 391 m) mountain and park about 10 miles (16 km) south of Frederick, Maryland, USA. The closest village is Barnesville, located just over one mile from the foot of the mountain. The peak of this relatively low mountain is approximately 800 feet (244 m) higher than the surrounding farmland. It is visible from many parts of northern Montgomery County and southern Frederick County, notably from I-270 north of the town of Germantown. Because of its geological and natural history interest, it was designated a National Natural Landmark in 1969. It