Lake Missoula, Glacial lake in Montana, USA
Lake Missoula was a prehistoric proglacial lake in western Montana that existed periodically at the end of the last ice age.
The lake was formed when an ice dam blocked the Clark Fork River, creating a body of water that lasted for about 2,500 years.
The story of Lake Missoula is deeply ingrained in local culture and has been the subject of numerous books and documentaries.
Today, the area once covered by Lake Missoula offers excellent opportunities for hiking, fishing, and wildlife viewing.
Lake Missoula is known for its 'varves', annual layers of sediment that provide a unique record of the lake's history.
Location: Montana
Source: Wikimedia