This Sanctuary is located in the Montes de María area of the northern coast. It belongs to the department of Bolívar, Municipio of San Juan Nepomuceno. The sanctuary has 1000 hectareas and it is about 230 meters over sea level. The average temperature is 27ºC. Los Colorados is a small group of mountains of sedimentary rocks where there is the only surviving dry forest in the area, there is no forest within 100 km. The dry forest is one of the most endangered ecosystems in the neotropics. The trees reach 50m there and there are about 44 species of mammals and many others of plants of valuable wood. The area have some interesting archaeological heritage.