Changes

The western part of Ankarana is only accessible during the dry season from June to December, when the Antenan'Ankarana river is traversable can be crossed by car. This park area is dominated by caves. All these The caves are form either long galleries or are sheltered by a large and long, 50 to 60 metres high tsingy wallwalls. This tsingy wall, interspersed with canyons, is the natural boundary of the western park: , known as the "Wall of Ankarana".

A moderately difficult 5 hours walk. The underground cave of Andrafiabe cave as well as the cathedral of Andrafiabe both have beautiful dripstone formations. Both the cave and the cathedral are confined by huge rocks. An opening in the ceiling of the cathedral lets the sun shine through, creating a halo of light. The canyon of the mounds small hills of Chaumont, which connects the two underground caves, is a magnificent valley. 11 species of bats (including the smallest and the largest), Sanford's lemur, Crowned lemur, birds (e.g. flycatcher) and reptiles (Spear-tailed gecko) can be seen along this track.<br>

A 2 to 3 hours moderately difficult trek. The skeleton of a an Antakarana warrior who died of hunger during the tribal war was found in this cave. The cave has beautiful dropstones dripstones and the vegetation of in the canyon is quite impressive. Fruit trees such as "wild orange" and the not non-edible "wild cassava" dominate the track. Crowned lemurs, Sanford's lemurs, birds such as the Vasa parrot, flycatcher and Guinea fowl, geckos and lizards can be observed throughout this the trek.<br>

A 3 to 4 hours trek, here and there sometimes moderately difficult. The track leads to a cave with impressive dropstone dripstone formations. At the exit of the cave is a natural water basin with islets of ferns, which are absolutely worth seeing. The cave is home to three small bat species, such as the Malagasy mouse-eared bat (''Myotis goudoti''), Glen's long-fingered bat (''Miniopterus gleni'') and the Manavi long-fingered bat ([[Miniopterus manavi]]). Another resident More fearful residents of the cave is are the Nile crocodilecrocodiles. At the entrance of the cave grow Moraceae Moraceaes (''Ficus'') and grow whilst at the exit reeds and fernsgrow. Whilst trekking one may see snakes, a Crowned lemur lemurs and a Guinea fowlfowls.<br>

A moderately difficult 4 to 5 hours walk. The Green River is a mysterious underground river. Its emerald green water waters crosses the canyon briefly before disappearing again in into the rock. There is a possibility to spot Sanford's lemur, Crowned Lemur, Northern sportive lemur, Northern rufous mouse lemur and even the nocturnal Aye-aye in the canyon. Carnivores include the Ring-tailed mongoose, Fossa and Malagasy civet.<br>

A moderately difficult 3 to 4 hours trek. The underground cave has beautiful dropstone dripstone formations. At On the outer walls at the entrance of the cave are parrots nests on the outside walls and parrot nest by a forest with several types of Moraceae (''Ficus'') with several species. 6 species of bats from the smallest to the largest size can be observed (: Madagascan fruit bat, Madagascan rousette, Madagascar free-tailed bat, Malagasy mouse-eared bat, Glen's long-fingered bat and the Manavi long-fingered bat). Birds along the track are the include Vasa parrot and the Guinea fowl.<br>

A 5 to 6 hours walk of moderate difficulty. This track leads to an underground cave with dropstone dripstone formations and a dark river with Nile crocodiles. The perennial lake is a good spot to watch water birds, such as Humblot's heron and Madagascan pond heron. The entrance of the cave is framed by Moraceae (''Ficus''). Several species of which several types grow along the underground river that comes flows out of the cave. At the exit of the cave there is a vegetation rich swamp. Beside the crocodiles, there is the endemic blind fish (''Glossogobius ankaranensis'') a is the main attraction of this trek.<br>

A 4 to 5 hours moderately difficult trek to a cave with dropstone dripstone formations and an underground river. The perennial lake is home to water birds, such as Humblot's heron and Madagascan pond heron. The endemic blind fish (''Glossogobius ankaranensis'') and Nile crocodile are the highlights of this walk. At the entrance of the cave grows marsh vegetation (reed) and a forest of Moraceae (''Ficus'').<br>