Hotel Sedartis, thalwil -Zürich / Seminar- und Businesshotel Gesundheitspark, thalwil - 125 Photos - 22 Reviews - Gym Hotel Sedartis the perfect location for business, events and fine cuisine The four-star hotel Sedartis in Thalwil possesses 40 comfortable guest rooms. Many of them are located in the direction of the park or of Lake Zurich, offering a unique view. Thalwil is a municipality and town in the district of Horgen in the canton of Zürich in Switzerland. As of 2010 its population was of 17,189. Besides the town of Thalwil, the municipality includes the village of Gattikon. Hotels in Thalwil, Switzerland 412 likes 23 talking about this 170 were here. Health and sports club, providing: Fitness, Wellness, Physiotherapy, Tennis. Thalwil might not have well-known attractions within the city, but you won t need to venture far to find top places to visit like Bahnhofstrasse and Kunsthaus Zurich. In the surrounding area, popular sights include Fraumuenster and Swiss National Museum.