Little Si Trail
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Little Si Trail
Difficulty Rating:
The Little Si Trail is a 3.6mi out and back trail that sees heavy traffic and is rated as moderate. Little Si provides access to the longer, more difficult Mount Si trail, so it sees both newer and more experienced hikers. The two peaks together are sometimes called “Resolution Peaks” due to the number of hikers that come after January 1st, but this is a wonderful hike no matter the time of year or end goal. Little Si has the unique advantage of being mostly sheltered from inclement conditions, so it is usually hikeable all year long.
While the trail begins and ends with steeper sections, they are relatively short-lived and the remainder of the hike is moderate, making this trail suitable for many levels.
Getting there
The trailhead for the Little Si Trail is located on SE Mt. Si Road, 2.4mi past the turn onto the road. The trailhead is on your left. The parking fills on weekends, but there is a small overflow lot on 434 Ave SE.
About
| Backcountry Campground | No |
| When to do | April-November |
| Pets allowed | Yes - On Leash |
| Family friendly | Older Children only |
| Route Signage | Good |
| Crowd Levels | High |
| Route Type | Out and back |
Little Si Trail
Elevation Graph
Weather
Little Si Trail Description
Little Si is the shorter, easier, more relaxed counterpart to the extremely popular Mount Si Trail. As a year-round hike sheltered from the weather with close proximity to Seattle, you can easily bet on the trail being busy most weekends. The hike itself is nicely moderate, with only two steeper sections. It’s suitable for beginners looking to get into hiking shape and veterans wanting a laid-back day. Just remember to practice good trail etiquette on this busy outing.
The Little Si Trail begins with a steep incline just after the trailhead, winding up switchbacks. Remember, this trail starts out steeper than it is on average, so this won’t last! The first 0.3mi or so will warm you up efficiently, but the path then levels out a bit.
About 0.2mi into the hike, hop off the trail southwest to enjoy the view into the valley from a small ridge. It’s a small preview of your summit view!
There are two chances to take the Boulder Garden Loop, one at 0.3mi and one at 0.5mi. This loop can either add some distance if you want it or take you onto the Mount Si Trail. To remain on Little Si Trail, keep left.
Hiking through the forest, you’ll wrap around the summit slope before making your final ascent. This is another steep section, but it doesn’t last too long- only about 0.8mi.
Atop the little mountain, you’ll be treated to wide views over the surrounding valley, Mount Si, and even Mount Washington on a clear day.
Satisfied with your view, retrace your steps to return to the parking lot.
Hiking Route Highlights
Mount Si
4167ft Mount Si is one of the features of the view from Little Si. Where Little Si is a moderate, relatively short hike, Mount Si is steep and considerably more demanding. The mountain actually sees upwards of 100,000 visitors each year, partly because of its proximity to Seattle and partly because of the great views from the top. Once you’ve climbed Little Si, it might be time to set your sights on Mount Si!
Frequently Asked Questions
Can you hike Little Si in the winter?
Yes, this hike can be completed year-round. There is no significant avalanche risk on the mountain, but the steep trail may become slippery in cold conditions. Exercise caution and enjoy the unique winter view!
Can you get to Mount Si from Little Si?
Yes, the trail through Boulder Garden Loop can be used as a connector between the two.
What pass do I need for Mount Si?
Please have your Discover Pass ready for this hike.
Insider Hints
You can take the Trailhead Direct bus from Seattle to Little Si to avoid issues with parking.
This trail is well-maintained, but you should still work to mitigate the effects of heavy foot traffic. Pack out what you pack in and try to stay on the trail to cut down on erosion and damage to the foliage beside the trail.
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