Monte Rosa(redirected from Mt. Rosa)
a mountain mass in the Pennine Alps, on the Italian-Swiss border. It is formed primarily of granites and gneisses. The maximum elevation is 4,634 m (Dufourspitze). In the ridge zone, there is recent glaciation (the largest glacier is Gorner, with a length of nearly 14 km). There are alpine and subalpine meadows and shrubs; below are coniferous forests.