Located in the Swiss Alps - Lac Bleu is a breathtaking high-altitude lake that is well worth the visit. The crystal-clear blue waters of the lake are surrounded by magnificent mountain views that will leave you speechless. The hike to Lac Bleu Arolla, which starts from the small village of Arolla, is short but can be a bit challenging - nevertheless it offers impressive views of the surrounding landscapes. The trail itself is well maintained and easy to follow, but it can get steep at times. TIP: Check the weather before hiking, especially in winter.