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The tsingy of Namoroka national park is located at the boundary of the rural municipality of Andranomavo and Soalala in the Sub-Prefecture of Soalala, in the Boeny region. It is located at 221 km South-West of the city of Mahajanga, and to 22 km north-west of the city of Andranomavo. The total area of the Park is 22227 HA.

The National Park of Namoroka is submitted to the climate of tropical dry, with a dry season marked lasting up to 7 month (April - October) and a season of 5 months with a maximum of precipitation during the months of January and February.
The annual average temperature is around 27, 8° C and annual average precipitation 1 160 mm.

The Tsingy of Namoroka lie within a vast limestone region of the Middle Jurassic. The limestone plateau occupies a large part of the Park, and takes the form of lapiaz. It is cut in wages and limited by cliffs of 30 meter in height on average.

The terrain is slightly marked, low-lying and present alluvial valleys.

The quartz of Namoroka is bordered to the North by the early Cretaceous sandstone outcroppings, to the South and West by the Crystal dome of Ambohipaky - Bekodoka appearing in the buttonhole in the middle of the sedimentary. To the East, It connects to the plateau of the Kelifely through the migmatitique horst of Befatika that has a width not exceeding 3 km wide at the level of the village of Vilanandro.
On the slope East of the horst is a peripheral depression at the level of the Vilanandro River.

With regard to the general appearance of the model, This is a table of crystalline limestone of a hundred of metres thick cut by a dense network of open fractures forming corridors overlapping each other. This table relies on trend dolomitic limestones and is cut into particularly impressive TSINGY.

Certain fractures are filled with veins of dolerites. At their intersection formed sinkholes of irregular shapes, geometric, which, blocked at the level of the base of the quartz, evolve through lateral dissolution.

A network of a few meters wide and open joint, parallel to major fractures, cut fragments of plateau into blocks of size decametric and metric which evolved in turrets which the subdivision in jointing of second order, has formed the orientation of the direction of the Tsingy.
On the edges of the plateau, the dissolution has isolated towers and residual hillocks of crystalline limestone walls sub- vertical lapiezees who dominate from ten to forty meters flat quartz floor of many sinkholes bit keys. At the level of the floor to sinkholes, the seasonal flood water causes a significant dissolution resulting in widespread training of fusshohle.

The underground network remains poorly explored and broadly, the caves are related to areas intensely diaclasees that accompany major fractures. The largest underground network at the level of the Park National Tsingy de Namoroka is Anjohiambovonaomby.

The main characteristics of the soil are of type ferruginous tropical brown - red plate.