ORLICE MOUNTAINS

Czech Orlick Hory, German Adlergebirge mountain range, a subgroup of the Sudeten mountains in northeastern Bohemia, Czech Republic, forming part of the frontier with Poland for a distance of 25 miles (40 km). The mountains are, for the most part, made up of crystalline rocks, like most of the northern highland rim of Bohemia. The highest point is Velk Detn, at 3,658 feet (1,115 m).