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

Mount Si via Mount Teneriffe Trail

Hard

3.3

(15)

29

hikers

Mount Si via Mount Teneriffe Trail

06:09

13.1km

1,000m

Hiking

Hike the difficult 8.1-mile Mount Si via Mount Teneriffe Trail for panoramic views and a less crowded approach to Mount Si.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

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Waypoints

A

Start point

Parking

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1

6.03 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 …

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2

6.36 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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B

13.1 km

End point

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Way Types & Surfaces

Way Types

10.5 km

1.28 km

1.23 km

< 100 m

Surfaces

11.6 km

761 m

653 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 (1,200 m)

Lowest point (200 m)

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Weather

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Today

Wednesday 6 May

16°C

10°C

0 %

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Mount Si via Mount Teneriffe Trail?

This is a challenging hike. Based on tour data, it typically takes around 6 hours and 9 minutes to complete the route. However, individual times can vary significantly depending on fitness levels, breaks, and trail conditions.

Is the Mount Si via Mount Teneriffe Trail suitable for beginners?

No, this trail is rated as difficult due to its significant elevation gain of over 1,000 meters and a distance of approximately 13 kilometers. It's considered a strenuous hike and is often used as a training route for more demanding treks. Beginners should consider easier alternatives.

Where can I park for the Mount Si via Mount Teneriffe Trail?

The trail typically starts from the Mount Teneriffe trailhead. Parking information is usually available at the trailhead, but it's advisable to arrive early, especially on weekends, as parking can fill up quickly.

Are there any permits or fees required to hike this trail?

Yes, the Mount Si via Mount Teneriffe Trail is located within the Mount Si Natural Resources Conservation Area. A Discover Pass is required for parking at the trailhead. You can purchase a day pass or an annual pass online or at various vendors.

Is the Mount Si via Mount Teneriffe Trail dog-friendly?

Yes, the trail is generally dog-friendly. However, dogs must be kept on a leash at all times to protect wildlife and ensure the safety of other hikers. Please remember to pack out all pet waste.

What is the best time of year to hike this trail?

The best time to hike is typically from late spring through early fall when the weather is milder and snow has melted from higher elevations. During these months, you might also see wildflowers. Winter hiking is possible but requires appropriate gear like micro-spikes or snowshoes due to snow and ice near the summit.

What kind of views and landmarks can I expect along the way?

The trail offers diverse scenery. You'll pass through lush forests, and as you climb, you'll get views of Mount Rainier and Rattlesnake Ledge. Higher up, especially nearing Mount Si, you can enjoy panoramic views of the Puget Sound coastal plain, Mount Baker, and on very clear days, even Whistler Mountain. Notable points include the Mount Si Viewpoint and the Base of Haystack Scramble.

What is the terrain like on this trail?

The terrain varies significantly. The initial 1.5 miles from the Mount Teneriffe trailhead are relatively flat through a forest. After that, the climb becomes much steeper for the next 2.7 miles, with continuous uphill sections. Some parts can be rocky or overgrown, and switchbacks are common. Snow can be present near the top, particularly in winter.

Does this trail offer loop options?

Yes, this route is known for its flexibility. It allows for various loop configurations, often connecting with trails like the Talus Loop and Roaring Creek to descend back to the trailhead. A full traverse to the main Mount Si trailhead is also possible if you arrange for a pick-up.

How does this trail compare to the main Mount Si Trail in terms of crowds?

This route is often referred to as a 'back way' to Mount Si and is generally a less crowded alternative to the main Mount Si Trail. If you prefer a more solitary experience while still reaching Mount Si, this trail is an excellent choice.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Mount Si Trail, the Mount Teneriffe Trail, and the Mount Si Old Trail. This allows for various route combinations and exploration of the surrounding area.

Nearby routes

Moderate

4.8

1,091

Rattlesnake Ledge Trail

02:49h

8.70km

400m

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