Mount Si

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Mountains to Sound Greenway Trust

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Mount Si is a 4,167 ft / 1,270 m mountain peak in the Cascades in Washington, United States. Based on peakery data, it ranks as the 1666th highest mountain in Washington and the 29373rd highest mountain in the United States. The nearest peaks are Blowdown Mountain, Crater Lake Mountain, Little Si, Dixie Peak, Mount Teneriffe, and Green Mountain. See the Mount Si map, 3D fly around, and the Mt. Si photos to get a better sense of the mountain.

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PH425 • Apr 10, 2012
DrGerm • Jan 11, 2003
Clouds over Snoqualmie Valley

Jeb • Jan 19, 2013
The Haystack

Jeb • Jan 19, 2013
davomaso • Aug 21, 2012
On the Haystack in a cloud

scott • Jul 22, 2012
Climbing the last part to the summit of the Mount ...

scott • Jul 22, 2012
East face of the Haystack, Mt Si

scott • Jul 8, 2012
Summit of Mt Si, the Haystack, at 4167 ft

scott • Jul 8, 2012
South face of the Mt Si Haystack

scott • Jul 8, 2012
black bear footprint

Al-Rashid • Jun 11, 2011
top of the haystack in the clouds

Al-Rashid • Jun 11, 2011
aimk13 • Apr 7, 2012
aimk13 • Apr 7, 2012
Jeb • Mar 26, 2012
An ancient Nurse Log

Jeb • Mar 26, 2012
aimk13
WendyandTom • Jan 13, 2012

Show dusting on the trees toward Teneriffe

scott • Nov 5, 2011

On the summit of the Mt Si Haystack

scott • Nov 5, 2011

The Haystack from the south

scott • Nov 5, 2011

Cmschaults • Aug 14, 2011

Mount Washington

Jeb • Mar 24, 2011

Eric with Toki and Maverick

Jeb • Mar 24, 2011

10pm at night and we're still smiling

jammingjn • May 21, 2011

WendyandTom • Jun 3, 2011

The summit of Mt Si. Not much of a view ...

scott • May 29, 2011

Geoff scrambles to the summit of Mt Si

scott • May 29, 2011

Heading off the snow and into the fog at the ...

scott • May 29, 2011

Moun10Bike • Mar 10, 2005

Mount Si SUMMIT LOG peakery first ascent by GeoBrown

88 people report climbing or hiking to the summit, most recently on Mar 3, 2013. Below are trip reports and shared pictures from their climbs. Based on the summit log, the most popular climbing routes and hiking trails to the summit are Mount Si Trail (new trail), Mount Si Trail and Old Si Trail.