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Routes
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United States
Washington
King County
King County
Riverpoint

Mount Si Viewpoint – Little Si Trail Viewpoint loop from Riverpoint

Routes
Hiking trails & Routes
United States
Washington
King County
King County
Riverpoint

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: April 20, 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

A

Start point

Bus stop

Get Directions

1

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

2

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.

Tip by

3

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 …

Tip by

4

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.

Tip by

5

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 …

Tip by

B

18.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

14.2 km

1.85 km

1.26 km

550 m

232 m

110 m

Surfaces

15.2 km

1.85 km

671 m

232 m

215 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (1,210 m)

Lowest point (200 m)

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Weather

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Monday 18 May

17°C

7°C

-- %

Additional weather tips

Max wind speed: -- km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Nearby routes

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