Geological Features/Landforms in Costa Rica

Arenal National Park is located in Alajuela province in northwestern Costa Rica. The park encompasses the Arenal Volcano, an active andesitic stratovolcano. It was Costa Rica's most active volcano until 2010 and one of the ten most active volcanoes in the world.

Cordillera de Guanacaste is a volcanic mountain range in northern Costa Rica, near the border with Nicaragua. The mountain range forms part of the southern region of the Continental Divide and contains a number of volcanic peaks as well as several protected areas.

The Cordillera de Talamanca is a mountain range that lies on the southeast half of Costa Rica and the far west of Panama. It is a spectacular range that rises from sea level on the Caribbean side to over 12,000 ft (3,650 m) and then drops back down to the Valle General on the Pacific side.

Golfo Dulce lies between the Osa Peninsula and the southern end of the Pacific Coast of Costa Rica. Coronado Bay lies to the northwest of the Osa Peninsula. The peninsula contains a complex of national parks and protects one of the most significant stands of virgin rain forest in Central America.

Chirripó National Park is named for its most prominent feature, Cerro Chirripó, the highest mountain in Costa Rica. Five ecosytems found in the park include lowland tropical wet forest, premontane tropical wet forest, lower montane wet forest, montane wet forest and subalpine wet forest (páramo).