High Quality Content by WIKIPEDIA articles! Ufenau is an island located, with the neighbouring island of Lützelau, in Lake Zürich in Switzerland between Freienbach (0.9 km away) and Rapperswil-Jona (2.5 km away).Ufenau lies in Höfe district in the Canton of Schwyz. The island measures 112,645 m² in all, 470 m from east to west and 220 m from north to sout. Ufnau - correctly spelled «Ufnau», but «Ufenau» is commonly used - and the Frauenwinkel area were placed under conservation in 1927. Swimming, camping and other leisure activities are forbidden, as it is a protected area. The island has a restaurant called «Zu den zwei Raben», built in 1870. Tourist boat trips, run by the Zürichsee-Schifffahrtsgesellschaft, sail from Zürich and Rapperswil.