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United States
Washington
King County
Mirrormont

South Tiger Mountain Summit

Moderate

4.5

(3457)

19,958

hikers

South Tiger Mountain Summit

01:44

5.15km

440m

Hiking

Embark on the South Tiger Mountain Summit trail, a moderate hike that winds through diverse mixed forests, often following old logging railroad grades. This 3.2-mile (5.2 km) route features a significant elevation gain of 1447 feet (441 metres) and typically takes about 1 hour and 44 minutes to complete. While…

Last updated: April 23, 2026

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Your route passes through a protected area

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Parking

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1

4.75 km

South Tiger Mountain Forest

Highlight • Forest

Despite some trail marking issues and overgrown sections it offers a challenging hike through shaded woods, with glimpses of old-growth cedars and abundant wildlife like bumblebees and butterflies. While the …

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5.15 km

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Way Types & Surfaces

Way Types

4.04 km

1.02 km

< 100 m

Surfaces

3.57 km

941 m

600 m

< 100 m

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Elevation

Elevation
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Weather

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Today

Sunday 11 October

16°C

-1°C

0 %

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Max wind speed: 19.0 km/h

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Frequently Asked Questions

Where can I park to access the South Tiger Mountain Summit trail?

Parking is generally available along the road near trailheads within the Tiger Mountain State Forest. Official trailhead facilities are scarce, and you typically won't need a Discover Pass to park.

Is the trail dog-friendly?

Yes, the South Tiger Mountain Summit trail is dog-friendly. However, please ensure your dog is kept on a leash, especially since certain segments of the trail are shared with equestrians.

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

The trail is generally usable year-round, except during significant lowland snow. Early spring offers beautiful trilliums and wildflowers, while autumn provides a stunning display of fallen maple leaves. For the best chance of clear views from certain points, a clear day is ideal.

Do I need a permit or pay an entrance fee for this hike?

No, you do not need a permit or to pay an entrance fee to hike the South Tiger Mountain Summit trail, as parking is often available along the road without requiring a Discover Pass.

What is the terrain like on the South Tiger Mountain Summit trail?

The terrain is diverse and generally considered moderate. Many sections follow old logging railroad grades, making them wide and gently sloped. You'll traverse mixed forests, encounter areas with logging remnants, and pass through moist sections with ferns and creeks. Be prepared for some short, steep sections and potentially a difficult bushwhack to reach the very top of the summit.

Are there any notable viewpoints along the route?

While the actual South Tiger Mountain Summit is often forested and lacks panoramic views, certain viewpoints along the South Tiger Traverse can offer glimpses of Mount Rainier, the Olympic mountains, and the surrounding valley on clear days. The journey itself provides a rich experience of diverse forest ecosystems, including the South Tiger Mountain Forest.

How long does it typically take to complete this hike?

The South Tiger Mountain Summit hike typically takes around 1 hour and 44 minutes to complete, covering a distance of approximately 5.15 kilometers.

Does this trail connect with other routes in the area?

Yes, the route is part of the larger Tiger Mountain Trail (TMT) network. It intersects with and follows sections of the Tiger Mountain Trail, South Tiger Summit Trail, South Tiger Mountain Traverse Trail, and the South Tiger Powerline Trail, offering various options for extending your hike.

What makes the South Tiger Mountain Summit trail unique?

Its unique character comes from its historical connection to the logging industry, with many paths built upon former railroad grades from the 1920s. This provides a blend of natural forest beauty and a glimpse into the region's past. It also offers a sense of solitude in certain sections compared to other parts of Tiger Mountain.

Are there loop options for hiking South Tiger Mountain Summit?

Yes, there are several loop options available, typically ranging from 6.7 to 8 miles in length with varying elevation gains. These loops allow for a more extensive exploration of the Tiger Mountain State Forest.

What should I know about navigating the trail?

Due to numerous intersections within the extensive Tiger Mountain trail network, it's advisable to have navigation tools (like a GPS device or a reliable app) to help you stay on your intended path and avoid confusion, especially if you plan to reach the actual summit which might involve a short bushwhack.

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