it has been owned by the Wittelsbach family since 1817. Other historic buildings in Tegernsee include the homes of the writer Ludwig Ganghofer and the painter Joseph Karl Stieler, and the summer residence of Lord Acton. The Olaf Gulbransson Museum has been open since 1966 and is dedicated to the art of the Norwegian painter and caricaturist Olaf Gulbransson. The Museum Tegernseer Tal was established in 1999 in the Old Rectory of Tegernsee. It has 17 exhibition rooms, and its theme is the history and culture of the Tegernsee valley from the Middle Ages to the present. The Tegernseer Volkstheater has been in use since 1898. The area around the Tegernsee lake serves as a recreational area. It is surrounded by the Bavarian Alps and occupies approximately 9 km2 (3.5 sq mi). It offers aquatic sports such as swimming and fishing, and other activities including hiking and Nordic walking. One may climb the 700 metres to the top of the Baumgartenschneid: the ascent takes two hours and the descent one and a half hours. Economy Tourism plays an important part in the economy of the city and the district. The local Orthopedic Clinic is the town's largest employer. Since 2003, the city has hosted the annual Tegernsee International Mountain Film Festival during October, in which movies depicting life in the mountains compete. Transport Tegernsee is connected to Bundesstraße 307, which runs from Gmund am Tegernsee to the Sylvenstein Dam. The Bundesautobahn 8 passes approximately 20 km to the north. The 9559 Tegernsee-Ringlinie bus connects Tegernsee with Rottach-Egern, Bad Wiessee and Gmund am Tegernsee. The railway station is the terminus of the privately owned Tegernsee-Bahn and is linked to Munich by through trains of the Bayerische Oberlandbahn. It is also a principal stop for the pleasure boat services operated on the lake by the Bayerische Seenschifffahrt company. Politics Coat of arms The coat of arms of Tegernsee is divided into four quarters: the upper left and lower right quarters each depict three golden crowns on a blue background; the other two quarters depict water-lily leaves with entwined stalks above blue waves on a silver background. It was granted in 1886 and is based on the coat of arms of Tegernsee Abbey that dates from 1565. Twin towns In 2006, Tegernsee twinned with Dürnstein, an Austrian town on the Danube. Dürnstein, Austria Sports Tegernsee is the home town of Viktoria Rebensburg, an