The Aqua Dome spa in Längenfeld offer 50,000m² of pure relaxation in the heart of the Ötztal Alps. The Aqua Dome spa in Längenfeld is a haven of relaxation in the heart of the Ötztal Valley. Like our Glacier Spa at the Hotel Edelweiss & Gurgl at 1930m, the Aqua Dome combines breathtaking views of the surrounding mountains with swimming pools, saunas, beauty treatments and massages. Indeed, the light and spacious Aqua Dome was built using wood and stone to blend into the forests and rockfaces that form its backdrop.