Azores on the island of Pico, is the highest point in Portugal, at . If measured from their base at the bottom of the ocean to their peaks, which thrust high above the surface of the Atlantic, the Azores are actually some of the tallest mountains on the planet. The climate of the Azores is very mild for such a northerly location, being influenced by its distance from the continents and by the passing Gulf Stream. Due to the marine influence, temperatures remain mild year-round. Daytime temperatures normally fluctuate between and depending on season. Temperatures above or below are unknown in
Hydrothermal vents and seamounts of the Azores waters of the Azores: These sites, with the exception of the Moytirra system, are located in the southern part of the archipelago, and have been investigated by national and international scientists. The isolated Dom João de Castro Bank is also considered in this group; located between São Miguel and Terceira, the seamount is one of the highest independent seamounts in the archipelago and home to a thriving marine volcanic habitat. In 2010, a shallow hydrothermal field was discovered off the Ponta da Espalamaca, on the island of Faial, showing evidence of de-gasification. Efforts are being made to classify these areas