In Byrkjedal, a hotel must provide a certain number of high-end amenities to earn 5 stars. These can include saunas and spas, on-site gyms, gourmet restaurants, luxury bathroom products, premium bedding and more. What also sets 5-star hotels apart is their outstanding service. You'll enjoy things like in-room massages, nightly turn-down services and concierge services. Some may even offer additional touches such as a welcome gift.