Province: Toliary (Tul�ar)
Protected area status: National park
General location: 22�22 and 22�40 southern latitude / 45�11 and 45�23 longitude
Location and Access: 683 km southwest of Antananarivo, 279 km southwest Fianarantsoa, 243 km northeast of Toliara.
Climate: Dry tropical forest and savanna
Average temperature: 17-25�C
Elevation: 820 to 1240 m
Precipitation: 85 cm
Description: Isalo's landscape consists of eroded ruiniform sandstone formations dating to the Jurassic period, deep canyons with riparian forests, palm-lined oases, fire-resistant tapia forests, and open grasslands.
Lemur species 14:
Eulemur rufus - Red-fronted Lemur
Lemur catta - Ring-tailed Lemur
Propithecus verreauxi - Verreaux's Sifaka
Isalo is known for its pachypodes (Pachypodium ), aloe and euphorbiums.
The following vegetation zones are found in the park:
Dominant ethnic group(s): Bara
Official web page
Additional notes: 238 of the plant species in Isalo are endemic
Video from Isalo