The Natural Reserve is composed by three islands, Choros Island, Ladies and Chañaral de Aceituno. The two first are located in the North end of IV the Region, however the island Chañaral de Aceituno is located in III the Region. The total surface of the reserve is of 859.3 hectares.

Routes of access  

From the night love song 5 approximately 75 km advance towards the North by the Route, to the deflection that takes to the town of Choros Low. From to the creek of End of Choros it has there you cross 45 km, by dirt road which in its last 5 km, crosses by a dune difficult. From this creek to the island Ladies the transport service is due to contract the fishermen of this creek.

Information to the tourist  

The Reserve has an area of camping qualified Only in the island Ladies in the sector of poza, is due to ask for authorization to Conaf of the Night love song, being the maximum time of estadía 5 days. It is recommended to take to water and cocinilla to gas to cook since it is prohibited to fire with material of the island.