Chile's Aysen Region by Wikipedia

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Carrera Lake in Aysen
Aysen (also spelled Aisén) is Chile's eleventh administrative region. It is the least populated region in Chile and it remains a region with huge communication problems due to lack of good infrastructure. The region is known for its unique ecological characteristics including unspoiled habitat for numerous endemic species. Its terrain and form are very similar to those of the Alaska Panhandle, the northern Norwegian coast, and New Zealand's Milford Sound region. Laguna San Rafael National Park, reachable only by boat or plane, is one of its most popular tourist destinations.

Until the construction of Route 7, the Southern Highway, in the 1980s, the only overland routes from north to south through the region were extremely primitive tracks.

The Spanish electric company Endesa has recently proposed building a series of hydro-electric dams in Aysén, based on water rights the company acquired before privatization during the military rule of Pinochet. The dams would first be built on the Baker and Pascua Rivers, but additional dams have been proposed on a number of other previously intact rivers in the area, including the Futaleufú. The power would be transported 1200 miles north, via a high-tension transmission line through a number of national parks and protected areas to supply power to the Santiago area where much of the power is used for heavy industry and mining.

A number of local, national and international environmental organizations oppose the dams, claiming they would destroy the natural heritage of the area and would lead to greatly increased electrical costs for Chilean consumers.