Disappearing Lakes

Two and a half years ago, the Baker River in Chilean Patagonia suddenly tripled in size, causing a virtual river tsunami. In less than 48 hours, roads, bridges, and farms were severely damaged and dozens of livestock drowned. Residents were in disbelief. Jonathan Leidich, an American whose company regularly leads tourists on treks up to nearby glaciers, hiked to the Colonia Glacier at the eastern flank of the Northern Patagonian Ice Field and discovered the source of the mysterious flood: Lake Cachet 2 had vanished.