Dogs Leashed
Features
Birding · Fall Colors · River/Creek · Views · Wildlife
Discovery Pass required year round.
Overview
This is a classic, well-traveled run leading to the top of Mt. Si. There is a small portion of scrambling at the summit that is optional.
Need to Know
Go as early as you can. Google Maps may say that the trailhead opens at 6am, but I was there by 5:30am and running with no problems. I met people on the trail who had gone up for sunrise and said they'd started at 2:30am. So no worries about the trailhead not being open.
Expect the trailhead parking to be full by 9am.
Description
From the trailhead, follow the well marked "Mt. Si Trailhead" or just follow the throngs of people on this deservedly popular trail. The endless switchbacks and steep terrain begin almost immediately, and will continue until the very top. This trail offers intermediate terrain that can be useful for both the novice runner and a more experienced outdoors person training for a bigger objective. You'll gain more than 3000 vertical feet in under four miles of beautiful old growth forest. The canopy finally breaks close to the top, revealing some views to the South.
Once out of the forest, there are many outcroppings to enjoy your lunch and some views. Most people will stop here- but the more adventurous can continue uphill and right on a stony path to the Haystack, Mt. Si's true summit. This extra 150 ft of scrambling is class 3/4 and is well worth is as the views to the North are revealed.
On your way down please do not cut trails. What saves you 30 seconds can cause decades of damage. Also you'll need a discovery pass to park at the lot. Have fun!
Flora & Fauna
You will walk over three miles through old growth forest.
Shared By:
Ben Pontecorvo
with improvements
by David Leech
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