Lake in mountain areas with very clear, cold, nutrient-poor waters. Most of the water in a mountain lake is rainwater and meltwater from glaciers. The temperature in the mountain lakes are rarely over 10 degrees even in the surface waters in summer. The visibility in the mountain lakes are often very good, with a Swedish record in Rissajaure (near Abisko), with visibility of 37 meters.
Water Changes Everything
Almost a billion people live without clean drinking water. We call this the water crisis. It’s a crisis because it only starts with water — but water affects everything in life.