Mount Si Viewpoint – Little Si Trail Viewpoint loop from Riverpoint

Routes

Hiking trails & Routes

Mount Si Viewpoint – Little Si Trail Viewpoint loop from Riverpoint

Hard

4.7

(6271)

6,272

hikers

Mount Si Viewpoint – Little Si Trail Viewpoint loop from Riverpoint

08:40

18.2km

1,330m

Hiking

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: August 28, 2026

Tips

Includes a segment that may be dangerous

A part of this route comprises technical, difficult, or hazardous terrain. Specialist equipment and prior experience may be required.

After 7.52 km for 238 m

Waypoints

Start point

Bus stop

Get Directions

7.16 km

Mount Si Viewpoint

Highlight • Viewpoint

About 0.24 mile below the summit of Mount Si, this viewpoint on the Mt. Si Trail offers sweeping views of the Snoqualmie Valley through the trees. There are some boulders …

Tip by

7.55 km

Mount Si Peak

Highlight • Summit

The scramble up and down the final pitch is exposed and dangerous. Be careful, go slow and follow the “three points of contact” rule.

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7.68 km

Base of Haystack Scramble

Highlight • Climb

Many hikers turn around at the boulder field further down Mount Si, wisely avoiding the scramble up the forbidding Haystack Rock in front of you. That's for good reason: Although …

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10.9 km

Boulder Garden Loop Trail

Highlight (Segment) • Trail

The Boulder Garden Trail takes you through just what the name describes: A series of massive stone boulders popping out of the lush greenery, almost as if they'd been planted there.

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12.2 km

Little Si Trail Viewpoint

Highlight • Viewpoint

This viewpoint comes up very quickly, offering a preview of what you'll see as you continue climbing up the trail. Take care that you don't literally go "climbing," as some …

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18.2 km

End point

Bus stop

Way Types & Surfaces

Way Types