Nilahue River
Encyclopedia
Nilahue River is an Andean river in Lago Ranco
commune in south-central Chile. Nilahue River originates in Cordón Caulle volcano and discharges into Ranco Lake
, being its second largest tributary after Calcurrupe River
. The catchment basin of the river receives water both from rainfall and from snow melt in the Cordón Caulle plateau. Los Baños hot springs are located on one of its upper tributaries. The rivers run a length of more than 40 km with the upper southern part running 20 km in north-south direction from Cordón Caulle to Carrán
maar
along the Liquiñe-Ofqui Fault
. In the tectono-glacial valley that occupies the Liquiñe-Ofqui Fault Nilahue river runs along the western wall while a Contrafuerte River runs along the eastern wall before joining near Cerro La Overa. The northern lower portion runs from Carrán maar to Ranco Lake
for another 20 km and features the Salto del Nilahue
fall.
Ash from the 2011 Puyehue eruption contaminated this river and killed many fish. The area around the Nilahue River was evacuated on the 10th of June 2011 when the river overflowed its banks after it was blocked by volcanic ash and mounting debris. Temperatures in the river have risen from 6 degrees on the 4th of June to an average of 45 degrees centigrade on the 10th of June. With steam rising from the river and more than an estimated 4 million fish dead.
Lago Ranco, Chile
Lago Ranco is a town and commune in southern Chile administered by the Municipality of Lago Ranco. It is located in Ranco Province in Los Ríos Region...
commune in south-central Chile. Nilahue River originates in Cordón Caulle volcano and discharges into Ranco Lake
Ranco Lake
Ranco Lake is located in Ranco Province of Chile. It is the largest lake of Los Ríos Region and the fourth largest in Chile. Administratively Ranco Lake is split into three communes; La Unión, Futrono and Lago Ranco. The lake host a series of islands of which Guapi Island is the largest. The...
, being its second largest tributary after Calcurrupe River
Calcurrupe River
Calcurrupe River is a river in Ranco Province, southern Chile. It drains Maihue Lake and flows westward into Ranco Lake of which it is the primary source. The depession through which the river flows corresponds to the Futrono Fault.-References:...
. The catchment basin of the river receives water both from rainfall and from snow melt in the Cordón Caulle plateau. Los Baños hot springs are located on one of its upper tributaries. The rivers run a length of more than 40 km with the upper southern part running 20 km in north-south direction from Cordón Caulle to Carrán
Carran
Carran is a village in County Clare, Ireland, bounded on the northwest by County Galway and on the south by Kilinaboy, Slieve Carron, one of the highest points in the Burren lies just north of the village,the area is renowned for its walking trails and spectacular views over the Burren...
maar
Maar
A maar is a broad, low-relief volcanic crater that is caused by a phreatomagmatic eruption, an explosion caused by groundwater coming into contact with hot lava or magma. A maar characteristically fills with water to form a relatively shallow crater lake. The name comes from the local Moselle...
along the Liquiñe-Ofqui Fault
Liquiñe-Ofqui Fault
The Liquiñe-Ofqui Fault is major geological fault that runs a length of roughly 1000 km in a north-south direction and exhibits current seismicity . It is located in the Chilean northern patagonean Andes. It is a dextral intra-arc transform fault...
. In the tectono-glacial valley that occupies the Liquiñe-Ofqui Fault Nilahue river runs along the western wall while a Contrafuerte River runs along the eastern wall before joining near Cerro La Overa. The northern lower portion runs from Carrán maar to Ranco Lake
Ranco Lake
Ranco Lake is located in Ranco Province of Chile. It is the largest lake of Los Ríos Region and the fourth largest in Chile. Administratively Ranco Lake is split into three communes; La Unión, Futrono and Lago Ranco. The lake host a series of islands of which Guapi Island is the largest. The...
for another 20 km and features the Salto del Nilahue
Salto del Nilahue
Salto del Nilahue is a waterfall located in the commune of Lago Ranco in southern Chile. It lies in the lower flows of Nilahue River....
fall.
Ash from the 2011 Puyehue eruption contaminated this river and killed many fish. The area around the Nilahue River was evacuated on the 10th of June 2011 when the river overflowed its banks after it was blocked by volcanic ash and mounting debris. Temperatures in the river have risen from 6 degrees on the 4th of June to an average of 45 degrees centigrade on the 10th of June. With steam rising from the river and more than an estimated 4 million fish dead.