northern plains
location
This region is located in the north of Costa Rica, bordering on the Río San Juan and Nicaragua in the north, the Central Volcanic Range in the south, and the Cordillera de Guanacaste and Cordillera Tilarán in the west. The Río Chirripó is generally taken to be the eastern border between this region and the Caribbean.
ecology
It has wet tropical forest regions with a transition to a dry forest.
climate
It belongs to the Caribbean precipitation region, which is rainy year-round, with a relative decrease in February, March and April. It is a region with contrasting rainfall, since climatic elements and geographical factors interact due to its mountainous relief and the presence of extensive plains, in addition to the presence of Lake Nicaragua to the northwest. This region is the third-wettest in the country, with over 3,200 mm per year on average, surpassed only by the Southern Pacific and the Northern Caribbean. Its rainy season begins in May and ends in December/January.