An Andean Lake


Lake Titicaca (Photo: Bcasterline)

For the Geo Quiz we are looking for a mountain lake that straddles Bolivia and Peru. It is a deep freshwater lake up around 12,000 feet above sea level, the largest, by volume, in South America. The Incas considered the lake a sacred place and for Bolivia and Peru it is still a national treasure that attracts thousands of tourists each year.

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Lake Titicaca is the answer to the Geo Quiz. It is located high in the Andes on the border of Peru and Bolivia ans is a couple of hours away from the Bolivian city of La Paz. The lake faces serious environmental issues including pollution and over-fishing and receding water levels. Anchor Marco Werman talks to BBC's Mattia Cabitza who visited the lake.