At Sonnenalp, guests enjoy a full-service spa, an indoor pool, and an outdoor pool. Valet parking is available for USD 50 per night, and there's also an airport shuttle for a fee. Multilingual staff at the 24-hour front desk can assist with luggage storage, tours or tickets, and dry cleaning/laundry. Other amenities at this luxury hotel include a gym, a sauna, and free WiFi in public areas.