The National Reserve Jeinimeni (Reserva Nacional Jeinimeni) is characterized for being one of the few places that protects the stepped atmosphere of Aisén, being one of the study units of the Project Biodiversity of Aisén (Proyecto Biodiversidad de Aisén). Here have been studied líquenes, mosses, vertebrates, mammals, birds, vascular plants and insects.

The Reserve was created in order to protect the orients of the rivers Jenimeni, Ventisquero, Green, Claudio Vicuña and Avilés (Rios Jeinimeni, Ventisquero, Verde, Claudio Vicuña y Avilés); to handle the forest, especially for firewood production; to protect and to investigate the vegetal formation of the Patagonian Steppe of Aisén and the native fauna; as well as to provide possibilities of environmental protection, recreation and tourism.

In the northeastern sector of the National Reserve Jenimeni (Reserva Nacional Jenimeni), an archaeological deposit denominated "Cave of the Hands" (Cueva de las Manos) exists, located to 4.265 feet of height. In it are cave paintings of 7000 years, of Tehuelche origin. It constitutes one of the few testimonies of this type in the Region, and the only one found within a Protected Wild Area (Área Silvestre Protegida) by the State. The Cave of the Hands (Cueva de las Manos) constitutes a wonderful sample of Cultural Patrimony.

The River Jeinimeni (Rio Jeinimeni) borders the way that advances between rare rocky formation and that journeys through the zone of borderline between Chile and Argentina. When arriving at mile 19, you will find the matting Cardenio (Estero Cardenio) and to about 6 miles, the Lagoon of the Flamingos (Laguna Flamencos), with a large colony of these birds. In mile 27, you have to ford the River of Snows (Río de las Nieves), and after this one, the forest begins to be noticed completely. After a brief section, you arrive at the bridge in the water-drainage of the Lagoon Jeinimeni (Laguna Jeinimeni), this gigantic calypso mirror with a stony edge, it has a surface of 451 hectares, and in contrast to most of the lakes and existing lagoons in the region, it is surrounded by a mixed sandy beach with gravilla, which has a smooth prairie of high graze covered by renewals with a slender figure.

The vegetation of The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) varies from the east, where it is more of the steppe sort, towards the western sector, more humid, recognizing two vegetate formation, Patagonian Steppe of Aisén, in which the representative species are: Vautro, Coiron, Coirón, Cadillo, Neneo and LLareta; the Forest Caducifolio of Aisén in which the Lenga predominates, in the low parts and valleys the Ñirre, Calafate and Chaura and in the most humid sectors: common Coigüe (Coigüe común), Notro and Honey Grass (Pasto miel).

As far as the fauna that inhabits The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni), the most abundant group constitutes the birds such as the Condor, the Eagle (Águila), the Kestrel, the Fisher man Martín, the Chucao, the Tordo and the Cachaña. Among the mammals, it is possible to find huemules, gray guanacos (guanacos grises), Patagonian foxes (zorros Patagónicos), piches, chingues, pumas, cats of geofroy (gatos de geofroy), rats of long tail (ratones colilargos), and mice of silky foot (ratitas de piel sedosa).

The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) is an excellent mountainous sector for the sport fishing in an atmosphere with much native vegetation and a meeting place of numerous birds. In addition, it is possible to make excursions by horse towards the sector of ventisqueros .

Main Activities that can be carried out in The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) are: Hiking, panoramic observation, Camping, Photography.

The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) counts on a camping and fishing area next to the bridge. It appears there a way that, crossing forests of lenga, arrives at the foot of the uneven of the Lioness, in mile 46, place used by the carriers as passage between the Valley of Chacabuco (Valle de Chacabuco) and the Lake General Carrera (Lago General Carrera). There are also excursions to Chile Chico.

The Reserve was created in order to protect the orients of the rivers Jenimeni, Ventisquero, Green, Claudio Vicuña and Avilés (Rios Jeinimeni, Ventisquero, Verde, Claudio Vicuña y Avilés); to handle the forest, especially for firewood production; to protect and to investigate the vegetal formation of the Patagonian Steppe of Aisén and the native fauna; as well as to provide possibilities of environmental protection, recreation and tourism.

In the northeastern sector of the National Reserve Jenimeni (Reserva Nacional Jenimeni), an archaeological deposit denominated "Cave of the Hands" (Cueva de las Manos) exists, located to 4.265 feet of height. In it are cave paintings of 7000 years, of Tehuelche origin. It constitutes one of the few testimonies of this type in the Region, and the only one found within a Protected Wild Area (Área Silvestre Protegida) by the State. The Cave of the Hands (Cueva de las Manos) constitutes a wonderful sample of Cultural Patrimony.

The River Jeinimeni (Rio Jeinimeni) borders the way that advances between rare rocky formation and that journeys through the zone of borderline between Chile and Argentina. When arriving at mile 19, you will find the matting Cardenio (Estero Cardenio) and to about 6 miles, the Lagoon of the Flamingos (Laguna Flamencos), with a large colony of these birds. In mile 27, you have to ford the River of Snows (Río de las Nieves), and after this one, the forest begins to be noticed completely. After a brief section, you arrive at the bridge in the water-drainage of the Lagoon Jeinimeni (Laguna Jeinimeni), this gigantic calypso mirror with a stony edge, it has a surface of 451 hectares, and in contrast to most of the lakes and existing lagoons in the region, it is surrounded by a mixed sandy beach with gravilla, which has a smooth prairie of high graze covered by renewals with a slender figure.

The vegetation of The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) varies from the east, where it is more of the steppe sort, towards the western sector, more humid, recognizing two vegetate formation, Patagonian Steppe of Aisén, in which the representative species are: Vautro, Coiron, Coirón, Cadillo, Neneo and LLareta; the Forest Caducifolio of Aisén in which the Lenga predominates, in the low parts and valleys the Ñirre, Calafate and Chaura and in the most humid sectors: common Coigüe (Coigüe común), Notro and Honey Grass (Pasto miel).

As far as the fauna that inhabits The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni), the most abundant group constitutes the birds such as the Condor, the Eagle (Águila), the Kestrel, the Fisher man Martín, the Chucao, the Tordo and the Cachaña. Among the mammals, it is possible to find huemules, gray guanacos (guanacos grises), Patagonian foxes (zorros Patagónicos), piches, chingues, pumas, cats of geofroy (gatos de geofroy), rats of long tail (ratones colilargos), and mice of silky foot (ratitas de piel sedosa).

The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) is an excellent mountainous sector for the sport fishing in an atmosphere with much native vegetation and a meeting place of numerous birds. In addition, it is possible to make excursions by horse towards the sector of ventisqueros .

Main Activities that can be carried out in The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) are: Hiking, panoramic observation, Camping, Photography.

The National Reserve of Jeinimeni Lake (Reserva Nacional Lago Jeinimeni) counts on a camping and fishing area next to the bridge. It appears there a way that, crossing forests of lenga, arrives at the foot of the uneven of the Lioness, in mile 46, place used by the carriers as passage between the Valley of Chacabuco (Valle de Chacabuco) and the Lake General Carrera (Lago General Carrera). There are also excursions to Chile Chico.