Editing Mount Si (section)

{{Short description|Mountain in Washington, United States}}
{{Use mdy dates|date=January 2025}}
{{Infobox mountain
| name = Mount Si
| photo = Mt si and meadowbrook cows.jpg
| photo_size = 230
| photo_caption = Mount Si from the southwest
| elevation_ft = 4167
| elevation_ref = {{ngvd29}}<ref name="pb">{{cite peakbagger|2087|Mount Si, Washington}}</ref>
| prominence_ft = 247
| prominence_ref = <ref name="pb"/>
| map = USA Washington#USA
| map_size = 230
| map_caption = 
| label_position = right
| location = [[King County, Washington|King County]], [[Washington (state)|Washington, U.S.]]
| range = [[Cascade Range|Cascades]]
| coordinates = {{coord|47.5076029|N|121.7401092|W|type:mountain_region:US-WA_scale:100000_source:gnis|format=dms|display=inline,title}}
| range_coordinates = 
| coordinates_ref = <ref name="gnis">{{cite gnis|1525731|Mount Si}}</ref>
| topo = [[United States Geological Survey|USGS]] Mount Si
| age = [[Cretaceous]] to [[Jurassic]]
| type = Oceanic plate [[volcano]]
| last_eruption = Cretaceous to Jurassic
| first_ascent = 
| easiest_route = [[Hiking|Hike]] and short {{YDS|3}}, [[scrambling|scramble]]
| other_name = {{native name |lut |'''q̓əlbc'''}}
}}
'''Mount Si''' (pronounced {{IPAc-en|s|aɪ}}; {{Langx|lut|q̓əlbc}}, {{Respell|CULB|ts}})<ref>{{Cite book |last=Waterman |first=T.T. |title=sdaʔdaʔ gʷəɬ dibəɬ ləšucid ʔacʔaciɬtalbixʷ - Puget Sound Geography |publisher=Lushootseed Press}}</ref> is a [[mountain]] in the [[Northwestern United States|northwest]] [[United States]], east of [[Seattle]], [[Washington (state)|Washington]]. It lies on the western margin of the [[Cascade Range]] just above the coastal plains around [[Puget Sound]], and towers over the nearby town of [[North Bend, Washington|North Bend]]. Mount&nbsp;Si and neighboring mountain [[Little&nbsp;Si]] were named after local homesteader [[Josiah Merritt|Josiah "Uncle Si" Merritt]]. The mountain became nationally familiar in the early 1990s with the television series ''[[Twin Peaks]]'', which was filmed in North Bend.

Only about a 45-minute drive from Seattle, the mountain is a favorite outdoor destination for residents of [[Puget Sound]]. Between 80,000 and 100,000 hikers visit the mountain annually.<ref name="pb"/> The&nbsp;land is owned by the state of [[Washington (state)|Washington]] and has been designated a [[Natural Resources Conservation Area]].<ref name=svomts>{{cite news|url=https://news.google.com/newspapers?id=AsUSAAAAIBAJ&sjid=gfkDAAAAIBAJ&pg=7038%2C2163797 |work=Spokane Chronicle |location=(Washington) |agency=Associated Press |title=The saving of Mount Si |date=November 24, 1983 |page=E12 }}</ref><ref name=preserv>{{cite news |url=https://news.google.com/newspapers?id=iZMrAAAAIBAJ&sjid=udAFAAAAIBAJ&pg=4867%2C3845484 |work=The Daily News |location=(Pullman, Washington) |title=State to preserve 'Twin Peaks' land |date=September 29, 1990 |page=3A}}</ref>

The {{convert|4|mi|km|round=0.5|adj=mid|-long|spell=in}} Mount Si trail vertically climbs {{convert|3500|ft|-1}} to the summit ridge.<ref name="pb"/> Its summit<!-- of Mount Si can then be--> is reached by an [[Glossary of climbing terms#E|exposed]] scramble, {{YDS|3}}, up the north side of the summit block, which is known as the "Haystack".<ref name="sp">{{cite summitpost |id=150709 |name=Mount Si |accessdate=2011-05-07}}</ref>

The peak can be accessed by two trails. The Old Mount Si trail is accessed by the Little Si parking lot and the Boulder Garden Loop. It is {{convert|0.6|mi|km}} shorter, {{convert|270|ft|m}} steeper in elevation gain, and less crowded than the main trail. The Mount Si trail is accessed by the Mount Si parking lot.