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Location: 700 km South- west of Antananarivo   Map


Area: 815 km²

Isalo National Park

Isalo National Park






Description of Isalo National Park


Isalo National Park is situated 700 km South- west of Antananarivo in Southern Madagascar. Isalo National Park covers an area of 815 km² and contains 88 species of birds, 15 species of frogs, 33 species of reptiles, 14 species of mammals and 3 species of lemurs. Many are endemic the region and to the island itself. In others words you can't find anywhere, but here. Isalo National Park contains several campsites for tourists who want to spend a night here. Park's most notable geological formation are "runiforms" or ridges that were formed due to erosion by wind and constant rains.


The park is known for its wide variety of terrain, including sandstone formations , deep ravines , lined palm oases, and meadows . The nearest population is Ranohira , and the nearest city is Toliara . A local guide is required for visitors entering the park, and guides and porters can be hired in Ranohira. Trips in the park can last from several hours to a week or more.

The main threat to this park comes from illegal fires in the park. Fires limit the degree of forest regeneration and increase grassland areas for cattle from nearby populations.




The national park has an area of ​​815.4 km², making Isalo the second largest national park in Madagascar after the Masoala National Park. The national park is located at an altitude of 820 to 1240 meters above sea level. It is located in an area with a tropical dry climate. The park consists of a mountain range (Isalo Mountains) that extends from north to south over almost 100 kilometers and is marked by bizarre rock-planted Jurassic sandstone formations , deep gorges , steep peaks, leached caves, with (especially) bismarck palms overgrown with rivers grasslands that resemble the continental African savannas. The most important gorges are the Canyon des Rats ("mouse gap") and the Canyon des Singes ("monkey gorge"), which is also called Canyon des Makis ("maki gorge"), as many lemurs can be seen here. Another famous place in the park is the valley of the Namaza river , where there are also several pools.

The park is threatened by illegal natural fires , which burn forests and thus increase the grassland that can be used by cattle.

The park can be reached from the RN 7 from Antananarivo (700 kilometers) to Toliara (200 kilometers). The closest major places are Ranohira and Ilakaka . The entrance is 12 kilometers to the north from Ranohira (on the RN 7), in the direction of the village of Tomantsoa and from there to the west to the village of Siombivotsy, where the parking entrance is located.






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