250 and 300 feet tall.
Sierra redwood trees are the largest trees in the world. Many sierra redwoods are between 250 and 300 feet tall, the tallest being about 325 feet high. While their height is impressive, the real wonder of a sierra redwood lies in its bulk. Many of these giants have diameters in excess of 30 feet near the ground, with a corresponding circumference of over 94 feet! The world's tallest trees are California redwoods, technically known as Sequoia sempervirens. Until recently, some tree experts had theorized that the redwoods' couldn't exceed 120 meters (394 feet). Redwoods. These tallest of trees reach heights of more than 350 feet (107 meters). The tallest tree in the world is named Hyperion, which reaches 379.7 feet (115.7 meters). Redwoods can achieve a diameter of 24 feet (7 meters), and 1.6 million pounds (725,700 kg). These giants can live to be 2,000 years old and have graced the planet for more than 240 million years. View full size image. The tallest tree in the world, a California redwood, stands 379 feet (116 m) tall, or slightly taller than a football field is long. Redwoods of the past that have since been cut down probably stood even taller, and may even have reached the theoretical maximum height for trees. Giant sequoias. Giant sequoias can grow to be about 30 feet (9 meters) in diameter and more than 250 feet (76 meters) tall. The biggest of these behemoths is General Sherman, a giant sequoia in Sequoia National Park.
http://www.parks.ca.gov/?page_id=1146 http://www.sfgate.com/science/article/REDWOODS-How-tall-can-they-grow-2764144.php http://www.livescience.com/39461-sequoias-redwood-trees.html http://www.livescience.com/14667-tall-trees-grow.html http://www.livescience.com/39461-sequoias-redwood-trees.html
how tall is a redwood tree