Canary Islands - Geography

Geography

Tenerife, with 865,070 inhabitants, is both the Canary Islands' most populous island, and the second one in Spain after Majorca. Tenerife is also the largest island of the archipelago. The island of Fuerteventura is the second largest in the archipelago and located 100 km from the African coast. The islands form the Macaronesia ecoregion with the Azores, Cape Verde, Madeira, and the Savage Isles. The archipelago consists of seven large and several smaller islands, all of which are volcanic in origin. The Teide volcano on Tenerife is the highest mountain in Spain, and the third tallest volcano on Earth on a volcanic ocean island. All the islands except La Gomera have been active in the last million years; four of them (Lanzarote, Tenerife, La Palma and El Hierro) have historical records of eruptions since European discovery. The islands rise from Jurassic oceanic crust associated with the opening of the Atlantic. Underwater magmatism commenced during the Cretaceous, and reached the ocean's surface during the Miocene. The islands are considered as a distinct physiographic section of the Atlas Mountains province, which in turn is part of the larger African Alpine System division.

According to the position of the islands with respect to the north-east trade winds, the climate can be mild and wet or very dry. Several native species form laurisilva forests.

As a consequence, the individual islands in the canary archipelego tend to have distinct microclimates. Those islands such as El Hierro, La Palma and La Gomera lying to the west of the archipelego have a climate which is influenced by the moist gulf stream. They are well vegetated even at low levels and have extensive tracts of sub-tropical laurisilva forest. As one travels east toward the African coast, the influence of the gulf stream diminishes, and the islands become increasingly arid. Fuerteventura and Lanzarote the islands which are closest to the African mainland are effectively desert or semi desert. Gran Canaria is known as a "continent in miniature" for its diverse landscapes like Maspalomas and Roque Nublo. In terms of its climate Tenerife is particularly interesting. The north of the island lies under the influence of the moist atlantic winds and is well vegetated, while the south of the island around the tourist resorts of Playa de las Americas and Los Cristianos is arid. The island rises to some 4000 m above sea level, and at altitude, in the cool relatively wet climate, forests of the endemic pine Pinus canariensis thrive. Many of the plant species in the Canary Islands, like the Canary Island pine and the dragon tree, Dracaena draco are endemic as noted by Sabin Berthelot and Philip Barker Webb in their epic work, L'Histoire Naturelle des Îles Canaries (1835–50).

Four of Spain's thirteen national parks are located in the Canary Islands, more than any other autonomous community. Teide National Park is the most visited in Spain, and the oldest and largest within the Canary Islands. The parks are:

Park Island
Parque Nacional de la Caldera de Taburiente La Palma
Garajonay National Park La Gomera
Teide National Park Tenerife
Timanfaya National Park Lanzarote

The following table shows the highest mountains in each of the islands:

Mountain Elevation Island
Teide 3,718 m Tenerife
Roque de los Muchachos 2,426 meters La Palma
Pico de las Nieves 1,949 m Gran Canaria
Pico de Malpaso 1,500 m El Hierro
Garajonay 1,487 meters La Gomera
Pico de la Zarza 812 m Fuerteventura
Peñas del Chache 670 m Lanzarote
Aguja Grande 266 m La Graciosa
Caldera de Alegranza 289 m Alegranza
Caldera de Lobos 126 m Lobos
La Mariana 256 m Montaña Clara

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