{{Short description|World's tallest tree (California, US)}} {{use mdy dates|date=October 2023}} {{Infobox tree | name = Hyperion | mapframe = no | image = | image_caption = | species = Coast redwood | binomial = ''Sequoia sempervirens'' | height = {{cvt|116.22|m|ft}} (2026)<ref name=Ghose/><ref>{{cite web |title=Mapping the Giants: Michael Taylor’s 2026 Field Update |url=https://sugarpinefoundation.org/blog/mapping-the-giants-michael-taylors-2026-field-update |website=The Sugar Pine Foundation |access-date=27 March 2026}}</ref> | volume = {{cvt|18600|ft3|m3|order=flip}}<ref name=Preston/> | custodian=National Park Service | location=Humboldt County, California, United States | coordinates = | seeded={{circa|1200–1400}} | map = California | map_size = 160 | relief = 1 | map_caption = Approximate location in California }}

'''Hyperion''' is a coast redwood (''Sequoia sempervirens'' D.Don, Endl.) tree in California, which is the world's tallest known living tree, measured at {{convert|116.22|m|ft}} tall in 2026.<ref name="Ghose">{{cite news |last=Ghose |first=Tia |date=May 23, 2022 |title=What is the world's tallest tree? |url=https://www.livescience.com/28729-tallest-tree-in-world.html |publisher=LiveScience}}</ref><ref>{{Cite web |last=Fish |first=Tom |date=2021-10-18 |title=The 25 tallest trees in the world |url=https://www.newsweek.com/tallest-trees-world-redwood-fir-gum-rainforest-borneo-1633800 |access-date=2022-05-04 |website=Newsweek |language=en}}</ref><ref>{{cite web |title=Mapping the Giants: Michael Taylor’s 2026 Field Update |url=https://sugarpinefoundation.org/blog/mapping-the-giants-michael-taylors-2026-field-update |website=The Sugar Pine Foundation |access-date=27 March 2026}}</ref>

Hyperion was discovered on August&nbsp;25, 2006, by the naturalists Chris Atkins and Michael Taylor.<ref name=":0">{{cite magazine|last=Preston|first=R|title=Tall for its age – Climbing a record breaking redwood|magazine=The New Yorker|date=2006-10-09|url=https://www.newyorker.com/magazine/2006/10/09/tall-for-its-age|access-date=2010-03-26}}</ref> The tree height of {{convert|115.55|m|ft|abbr=on}} was verified by Stephen Sillett in 2006 by use of both a laser range finder and a fiberglass tape to measure the tree from the base to the crown.<ref>{{Cite web |last=Krulwich |first=Robert |date=April 8, 2011 |title=The World's Tallest Tree Is Hiding Somewhere In California |url=https://www.npr.org/sections/krulwich/2011/04/08/135206497/the-worlds-tallest-tree-is-hiding-somewhere-in-california |access-date=October 22, 2024 |website=NPR}}</ref><ref>{{Cite web |date=2006-10-01 |title=HSU Prof Confirms World's Tallest Tree {{!}} Humboldt NOW {{!}} Cal Poly Humboldt |url=https://now.humboldt.edu/news/hsu-prof-confirms-worlds-tallest-tree |access-date=2024-10-17 |website=now.humboldt.edu |language=en}}</ref> The tree has grown since then to reach {{convert|116.07|m|ft}} recorded in 2019. Hyperion was found in a remote area of Redwood National Park, inside of the originally designated park boundaries of 1968.<ref name=":2">{{Cite web |title=Hyperion Tree - Famous Redwoods |url=http://famousredwoods.com/hyperion/ |access-date=2024-10-21 |website=famousredwoods.com}}</ref> The park also houses the second-, fourth- and fifth-tallest known trees, coast redwoods named Helios, Icarus, and Daedalus, which respectively measured 377, 371 and 363 feet in 2022.<ref name=":1">{{cite news|url=https://www.npr.org/2022/08/01/1114846960/hyperion-tree-off-limits-fine| title=People who want to visit the world's tallest living tree now risk a $5,000 fine|date=August 1, 2022|first=Juliana|last=Kim|publisher=NPR}} </ref><ref name=Co>{{cite news|url=https://www.natureworldnews.com/articles/56778/20230602/meet-hyperion-tallest-tree-world-leafy-giants-came-close.htm|title=Meet Hyperion, the Tallest Tree in the World, and Other Leafy Giants That Came Close|first=Rich|last=Co|date=June 2, 2023|publisher=Nature World News}}</ref>

The tree was named after the titan Hyperion from Greek mythology.<ref name=":1" /><ref name=":2" />

Hyperion is estimated to be between 600 and 800 years old<ref name=Ghose/><ref name=Co/><ref name="Martin2006">{{cite news |last=Martin |first=G |date=2006-09-29 |title=World's tallest tree, a redwood, confirmed |url=http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/09/29/BAGBULF6NG1.DTL&hw=hyperion&sn=004&sc=799 |archive-url=https://web.archive.org/web/20090501185208/http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2006/09/29/BAGBULF6NG1.DTL&hw=hyperion&sn=004&sc=799 |url-status=dead |archive-date=May 1, 2009 |access-date=2009-08-09 |work=SFGate}}</ref> and contain {{convert|18600|ft3|m3|abbr=on|order=flip}} of wood; it was seeded when the Chilula (a Pacific Coast Athabaskan people) inhabited the region.<ref name="kroeber">{{cite book |last=Kroeber |first=Alfred L |url=https://books.google.com/books?id=xW8cn5mdu6wC&q=%22The+Chilula%2C+who%22&pg=PA128 |title=Handbook of the Indians of California |year=1925 |isbn=9781428644922 |series=Bureau of American Ethnology Bulletin |volume=78 |location=Washington, D.C. |pages=137–141 |author-link=Alfred L. Kroeber}}</ref><ref name=Preston>{{cite book|last=Preston|first=R|title=The Wild Trees: A Story Of Passion And Daring|publisher=Allen Lane Publishers|year=2007|isbn=978-0-8129-7559-8|page=[https://archive.org/details/wildtreesstoryof00pres/page/284 284]|url-access=registration|url=https://archive.org/details/wildtreesstoryof00pres}}</ref> thumb|Coast redwoods in Redwood National Park The exact location of Hyperion is nominally secret but is available via internet search.<ref>{{cite news|url=https://www.sfgate.com/california-parks/article/tallest-tree-world-Hyperion-redwood-national-park-15845425.php|title=Why you should skip seeing Hyperion, the tallest tree in the world|first=Ashley|last=Harrell|newspaper=SfGate|date=2021-01-05}}</ref> However, in July&nbsp;2022, the Redwood Park superintendent closed the entire area around the tree, citing "devastation of the habitat surrounding Hyperion" caused by visitors. Its base was trampled by the overuse and as a result ferns no longer grow around the tree.<ref name="closure" />

Measures to protect the Hyperion tree were officially implemented in 2022 when the National Park Service (NPS) closed public access to its location in Redwood National Park.<ref>{{cite web | last=Moore | first=Sam | title=World's tallest tree damaged by tourists, now off-limits in Calif. | website=SFGATE | date=2022-07-30 | url=https://www.sfgate.com/bayarea/article/You-are-no-longer-allowed-to-visit-the-world-s-17340455.php | access-date=2025-03-31}}</ref><ref>{{cite web| last=Enking | first=Molly | title=The World's Tallest Tree Is Officially Off-Limits | website=Smithsonian Magazine | date=2022-08-02 | url=https://www.smithsonianmag.com/smart-news/the-worlds-tallest-tree-is-officially-off-limits-180980509/ | access-date=2025-03-31}}</ref> Individuals who enter the closed area could face up to six months in jail and a $5,000 maximum fine.<ref name="closure">{{cite web|title=Should I Hike to Hyperion?|url=https://www.nps.gov/redw/planyourvisit/hyperion.htm|work=Redwood National Park|publisher=National Park Service|access-date=31 July 2022}}</ref><ref>{{cite news| title = Want to see the world's tallest tree? You could get fined $5,000. | url= https://www.washingtonpost.com/travel/2022/08/01/worlds-tallest-tree-fine/ | author = Alexis Benveniste | date = 1 August 2022 | newspaper = Washington Post | access-date = 2 August 2022}}</ref><ref>{{Cite news |last=Tumin |first=Remy |date=2022-08-02 |title=Thinking of Visiting the World's Tallest Tree? Think Again. |language=en-US |work=The New York Times |url=https://www.nytimes.com/2022/08/02/us/hyperion-tree-redwood-california.html |access-date=2023-09-14 |issn=0362-4331}}</ref>

== See also == * List of superlative trees * List of individual trees * List of tallest trees

== References == {{Reflist}}

== External links == * [https://web.archive.org/web/20101206130144/http://news.nationalgeographic.com/news/2007/01/070123-redwoods-video.html National Geographic Video: "World's Tallest Tree Towers Over California"] * [http://www.mdvaden.com/redwood_hyperion.shtml M.D. Vaden.com: Information about the Hyperion Coast Redwood Tree] * [https://www.bbc.co.uk/programmes/b01bwmw4 BBC Radio documentary] featuring Hyperion

__NOTOC__ Category:Individual coast redwood trees Category:Redwood National and State Parks