Roque de Garachico
Roque de Garachico is a small island or roque located  off the north coast of the island of Tenerife (Canary Islands, Spain) belonging to the municipality of Garachico. It stretches  north-south, and is up to  wide, with an area of five hectares. It emerges steep out of the sea, with nearly vertical walls of rock in places, and reaches a height of . The area was protected in 1987. References 
Gobierno de Canarias (2009) - Normas de Conservación del Monumento Natural del Roque de Garachico
Canarian government

Tenerife
Rock formations of Spain
Volcanic plugs of the Canary Islands
Pliocene volcanoes