Berchtesgaden is a municipality in the district Berchtesgadener Land, Bavaria, in southeastern Germany, near the border with Austria, 19 miles south of Salzburg. It lies in the Berchtesgaden Alps. South of the town, the Berchtesgaden National Park stretches along three parallel valleys. The Kehlstein mountain, with its Kehlsteinhaus (Eagle's Nest), is located in the area.