The tallest tree is Hyperion (in Redwood National Park) at 379.1 ft. Currently there are over 30 trees over 360 ft tall. There are over 150 trees over 350 ft tall. There are unconfirmed reports of a 380 ft tree that was chopped down in 1912. The biggest Redwood tree size possible is 425 ft. In terms of volume, the biggest is the Lost Monarch.