The coast redwood, the world's tallest tree, is one of the three sequoia tree species, together with the gaint sequoia(Sequoiadendron giganteum) and the draw redwood(Metasequoia glyptostroboides). The coast redwood (Sequoia sempervirens) grows in natural stands in a long, thin coastal area along the Pacific Ocean in the west and northwest of the US (mostly California). It is the tallest tree in the world.

With its relatively slender silhouette this tree can grow even up to 20 m or 60 ft taller than the tallest sequoias, that are nevertheless the biggest trees in the world, when looking at the volume of the trunk. The tallest known living tree, named Hyperion, is 115.55 m or 379.1 ft (measured in 2006) tall! This gets close to 120 to 130 m, that, according to a 2004 biological study, is the maximum attainable height  of a tree.