Sugarloaf Mountain Sugarloaf Mountain Sugarloaf Mountain ( ) is a peak situated in Rio de Janeiro, Brazil, at the mouth of Guanabara Bay on a peninsula that juts out into the Atlantic Ocean. Rising above the harbor, its name is said to refer to its resemblance to the traditional shape of concentrated refined loaf sugar. It is known worldwide for its cableway and panoramic views of the city. The mountain is one of several monolithic granite and quartz mountains that rise straight from the water's edge around Rio de Janeiro. The mountain is protected by the Sugarloaf Mountain and Urca Hill Natural
Sugarloaf Mound Nation wants to build an interpretive center to the north of the mound, on property now owned by the Missouri Department of Transportation. Sugarloaf Mound Sugarloaf Mound is the sole remaining Mississippian culture platform mound in St. Louis, Missouri, a city commonly referred to in its earlier years as "Mound City" for its approximately forty Native American earthen structures. Sugarloaf Mound is the last remaining of the mounds built within present-day St. Louis by a Native American culture that thrived in the area from A.D. 600-1300. The mound itself is the oldest human-made structure in the city of St. Louis.