Tre Valli is a ski area located in BL. At Tre Valli you will find a variety of skiable terrain. Your lift ticket or ski pass will grant you access to 38 different ski runs across diverse acres. Shop online for lift ticket deals to Tre Valli, or give us a call at 970.233.7040. Have you skied at Tre Valli? Feel free to leave a review of your skiing and snowboarding experience.