Iblar Valley. Another German expedition from Garmisch-Partenkirchen was led by Thomas Trübswetter. From July 4 to 13, they climbed all the significant peaks in the lblar Valley, all twelve over 16,400 feet and two, more than 19,685 feet (6000 meters). The other members were J. Trübswetter, Gazert, Holch and Speer.