Isalo National Park | Isalo

Isalo National Park is a protected area in the Ihorombe Region of Madagascar, characterized by its extensive sandstone massif, canyons, and unique ecosystems. It is located approximately 700 km southwest of Antananarivo, near the town of Ranohira.

Visual Characteristics

The park features a heavily eroded Jurassic sandstone massif, presenting a "ruiniform" relief with deep canyons, gorges, and isolated rock formations. The sandstone varies in color from ochre to reddish-brown. Vegetation includes dry deciduous forest, tapia woodland, and open grasslands. Palm-lined oases and natural pools with clear water are found within the canyons. The landscape is dominated by vast, open spaces interspersed with dramatic geological features.

Location & Access Logistics

Isalo National Park is situated along National Route 7 (RN7), the primary north-south highway in southern Madagascar. The main access point is the village of Ranohira, located directly adjacent to the park's eastern boundary. Ranohira is approximately 240 km northeast of Toliara (Tuléar) and 80 km south of Ihosy. Parking is available at the park's main office in Ranohira and at designated trailheads. Public transport, primarily bush taxis (taxi-brousse), operates regularly along RN7, connecting Ranohira with major cities like Toliara, Fianarantsoa, and Antananarivo.

Historical & Ecological Origin