Located in San Ramón, Bagaces, 15 km southeast from the city of Bagaces, Guanacaste province.
It was declared a national reserve by means of Executive Decree No. 16849-MAG, on january 23, 1986. It has an extension of 2.279 hectares.
This reserve protects a dry tropical forest, rich in insects, specially bees, wasps and day and night butterflies. There are like 250 species of bees and 60 kinds of night butterflies. Another characteristic that makes Lomas de Barbudal a very important wild area is the abundant water sources like the Cabuyo river and some streams.
The fauna in the reserve is varied, with many kinds of forests. The river forest found along the rivers. They are always green and dense. The savanna, covered with trees and pasture. Many of these trees, bushes and other kinds of plants are great producers of fruits, oil, nectar and pollen for birds, mammals and insects. 250 kinds of bees, some of them unique in the country, can be found here.
Congos, squirrels, pizotes, lions and raccoons are some of the few mammals found in the reserve. Also exist a great number of reptiles and fishes, and you can observe, approximately 130 species of birds.