Sugarloaf Mountain and Urca Hill Natural Monument Sugarloaf Mountain and Urca Hill Natural Monument The Sugarloaf Mountain and Urca Hill Natural Monument () is a natural monument in the city of Rio de Janeiro, Brazil. It protects the Sugarloaf Mountain and the adjoining Morro da Urca, distinctive landmarks of the city. The Sugarloaf Mountain and Urca Hill Natural Monument has an area of . The monument is located in the neighborhood of Urca, near where the first settlement of the city of Rio de Janeiro was made. Attractions include the "Bondinho" cable car ride, inaugurated in 1912, Cláudio Coutinho Track for running or walking, the Morro da
Sugarloaf Mountain (Massachusetts) Mountain. There may be some truth to this tale; 15,000 years ago the Connecticut River from northern Vermont to southern Connecticut was post-glacial Lake Hitchcock. A now extinct species of giant beaver as big as black bears once inhabited North America at about the same time (see Pocumtuck Range for details). Sugarloaf Mountain, geologically contiguous with the Pocumtuck Ridge to the north, is composed of Triassic arkose sandstone and conglomerate. The Sugarloaf arkose was formed in a rift valley and sits in a half graben regionally called the Deerfield rift basin. The rift basin formed in Triassic-Jurassic time and is