The most famous mountain is the Matterhorn (4,478 m) in Valais and Pennine Alps bordering Italy. The highest mountain, the Dufourspitze or Monte Rosa, is very close to the Matterhorn. The section of the Bernese Alps above the deep glacial Lauterbrunnen Valley containing 72 waterfalls is also well known for the Jungfrau (4,158 m), Mönch, Eiger group of peaks, and the many picturesque valleys in the region. In the southeast the long Engadin Valley, encompassing the St Moritz area in canton Graubünden, is also quite known and the highest peak here is the Piz Bernina (4,049 m).