Editing Mount Washington (section)

{{Short description|Highest mountain in Northeastern United States}}
{{About|the mountain in New Hampshire|other uses|Mount Washington (disambiguation)|and|List of peaks named Mount Washington|}}
{{Good article}}
{{Use mdy dates|date=December 2019}}
{{Infobox mountain
| name = Mount Washington
| photo = White Mountains 12 30 09 81.jpg
| photo_caption = Mount Washington from [[Intervale, New Hampshire|Intervale]]
| elevation_ft = 6288.3
| elevation_ref = {{NAVD88}}<ref name="ngs">{{cite ngs |id=PF0951 |name=Mount Washington |access-date=July 8, 2019}}</ref>
| prominence_ft = 6148
| prominence_ref = <ref name="pb">{{Cite peakbagger |pid=6960 |name=Mount Washington, New Hampshire |access-date=February 16, 2014}}</ref>
| listing = {{unbulleted list
  |[[List of the most isolated major summits of North America|U.S. most isolated peaks]] 6th
  |[[List of the most prominent summits of the United States|U.S. most prominent peaks]] 59th
  |[[List of U.S. states by elevation|U.S. state high point]] 18th
  |[[List of New England Fifty Finest|New England Fifty Finest]] 1st
  |[[Four-thousand footers|White Mountain 4000-footers]] 1st
  |[[Ultra-prominent peak|Ultra prominent peak]] }}
| location = {{unbulleted list
  |[[Sargent's Purchase, New Hampshire|Sargent's Purchase]]
  |[[Coös County, New Hampshire|Coös County]]
  |[[New Hampshire]], [[United States|U.S.]] }}
| range = [[Presidential Range]]
| map = New Hampshire#USA
| map_caption = Location in New Hampshire##Location in the United States
| map_size = 200
| label_position = none
| coordinates   = {{coord|44|16|13.8|N|71|18|11.7|W|region:US-NH_type:mountain_scale:100000|format=dms|display=inline,title}}
| coordinates_ref = <ref name="ngs" />
| topo = [[United States Geological Survey|USGS]] Mount Washington<ref name="gnis">{{cite gnis|871352|Mount Washington |access-date=July 7, 2020}}</ref>
| type =
| age =
| first_ascent = 1642 (first recorded)
| easiest_route = [[Hiking|Hike]], ride [[Mount Washington Cog Railway|cog railway]], or drive via [[Mount Washington Auto Road]].
}}'''Mount Washington''' is an [[ultra-prominent peak|ultra-prominent]] mountain in the state of [[New Hampshire]]. It is the highest peak in the [[Northeastern United States]] at {{convert|6288.2|ft|m|1|abbr=on}} and the most [[Topographic prominence|topographically prominent]] mountain east of the [[Mississippi River]].

The mountain is notorious for its erratic weather. On the afternoon of April 12, 1934, the [[Mount Washington Observatory]] recorded a windspeed of {{convert|231|mph|km/h}} at the summit, the world record from 1934 until 1996. Mount Washington still holds the record for highest measured wind speed not associated with a [[tornado]] or [[tropical cyclone]].<ref>{{cite web |title=World Record Wind |publisher=Mount Washington Observatory |url=https://www.mountwashington.org/about-us/history/world-record-wind.aspx |access-date=March 7, 2016 |archive-date=May 1, 2021 |archive-url=https://web.archive.org/web/20210501073258/https://www.mountwashington.org/about-us/history/world-record-wind.aspx |url-status=live }}</ref>{{efn|The current official record gust of {{convert|254|mph|km/h}} was measured at [[Barrow Island (Western Australia)|Barrow Island]], Australia, on October 4, 1996, although uncertified records as high as {{convert|318|mph}} exist.<ref>{{cite web |title=World: Maximum Surface Wind Gust (3-Second) |publisher=World Weather / Climate Extremes Archive, [[Arizona State University]] |url=http://wmo.asu.edu/world-maximum-surface-wind-gust |url-status=dead |archive-url=https://web.archive.org/web/20160303175240/http://wmo.asu.edu/world-maximum-surface-wind-gust |archive-date=2016-03-03 |df=mdy-all}}</ref>}}

The mountain is located in the [[Presidential Range]] of the [[White Mountains (New Hampshire)|White Mountains]], in [[Coös County, New Hampshire]].  The mountain is in several unincorporated townships, with the summit in the township of [[Sargent's Purchase, New Hampshire|Sargent's Purchase]]. While nearly the whole mountain is in the [[White Mountain National Forest]], an area of {{convert|60.3|acre|ha}} surrounding and including the summit is designated as [[Mount Washington State Park]].

The [[Mount Washington Cog Railway]] ascends the western slope of the mountain, and the [[Mount Washington Auto Road]] climbs to the summit from the east. The mountain is visited by hikers from various approaches,<ref>{{Cite book |last=Daniell |first=Gene |title=White Mountain Guide |last2=Burroughs |first2=Jone |publisher=Appalachian Mountain Club |year=1998 |isbn=1-878239-65-1 |edition=26th |location=Boston |pages=21–23}}</ref> including the [[Appalachian Trail]], which traverses the summit.<ref>{{Cite book |last=Hooke |first=David |title=Appalachian Trail Guide to New Hampshire-Vermont |publisher=The Appalachian Trail Conference |year=2001 |isbn=1-889386-21-9 |edition=10th |location=Harpers Ferry |pages=51}}</ref> Other common activities include [[glider (aircraft)|glider]] flying, [[backcountry skiing]], and annual cycle and running races such as the [[Mount Washington Auto Road Bicycle Hillclimb|Auto Road Bicycle Hillclimb]] and [[Mount Washington Road Race|Road Race]].