Rosa, Monte(mōn`tā rô`zä), massif, in the Pennine Alps, on the Swiss-Italian border. Its highest peak, the Dufourspitze, 15,217 ft (4,638 m), is the highest point in Switzerland. The Swiss side is covered by glaciers. A nuclear research laboratory has been established on the Italian side of Monte 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.