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Hiking trails & Routes
Cowlitz County

Boundary West Trail

Moderate

6

hikers

Boundary West Trail

02:25

7.19km

510m

Hiking

Embark on the Boundary West Trail for a moderate hike that offers a unique perspective on the Mount St. Helens landscape. This 4.5-mile (7.2 km) route involves a significant elevation gain of 1689 feet (515 metres), typically taking about 2 hours and 24 minutes to complete. You will traverse varied…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Waypoints

A

Start point

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1

7 m

Hummocks Trailhead

Highlight • Trail

Parking, portapotty

Tip by

5.60 km

Viewpoint

Viewpoint

3

6.19 km

Loowit Viewpoint

Highlight • Viewpoint

Here, you have a great view of the crater of Mount St. Helens.

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B

7.19 km

End point

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Way Types & Surfaces

Way Types

7.17 km

< 100 m

Surfaces

7.17 km

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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 (1,270 m)

Lowest point (760 m)

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Weather

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Today

Saturday 9 May

19°C

4°C

0 %

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Max wind speed: 6.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where does the Boundary West Trail start and where can I park?

The Boundary West Trail typically starts near the Hummocks Trailhead, often accessed from the Coldwater Lake area. Parking is available at the trailhead. Given the popularity of the Mount St. Helens area, arriving earlier in the day is recommended to secure a spot, especially during peak season.

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

The best time to hike is generally from late spring through early fall (May to October). During spring and early summer, you'll witness a spectacular display of wildflowers, creating a 'riot of colors.' Be aware that snow can persist at higher elevations and in shaded draws, particularly earlier in the season, potentially requiring snowshoes or making sections difficult to follow. The trail is largely exposed, so summer hikes can be hot, and strong winds are common at higher points.

Do I need a permit or pay an entrance fee for the Mount St. Helens National Volcanic Monument?

Yes, the Boundary West Trail is located within the Mount St. Helens National Volcanic Monument, which requires a recreation pass. Options include the America the Beautiful Pass, Northwest Forest Pass, or a day-use pass. Check the official US Forest Service website for the most current fee information and regulations before your visit. Always adhere to Leave No Trace principles and monument rules.

Is the Boundary West Trail dog-friendly?

No, dogs are generally not permitted on trails within the Mount St. Helens National Volcanic Monument, including the Boundary West Trail, to protect the fragile ecosystem and wildlife. Service animals are an exception. Always check the latest regulations from the US Forest Service before planning your trip.

What kind of terrain can I expect on the trail?

The trail offers varied and often demanding terrain. You'll encounter sections of packed dirt, but also sandy, scree-like paths. There are both gentle ups and downs, as well as steeply climbing switchbacks. Some parts feature narrow sections with steep drop-offs. Good traction footwear is essential, and hiking poles are highly recommended for stability. The landscape is dynamic, shaped by volcanic activity and ongoing erosion.

What wildlife might I see along the route?

You might spot various critters such as chipmunks and garter snakes. Evidence of larger mammals like cougars and elk (through scat) can also be present. Coyotes have been observed in the area. The trail also showcases the remarkable regeneration of plant life in the blast zone, with numerous wildflowers in bloom during spring and summer.

What are the main viewpoints and notable features on this hike?

The trail offers spectacular, close-up views of Mount St. Helens from various points, including the Loowit Viewpoint. You'll hike through the dramatic aftermath of the 1980 eruption, witnessing sun-bleached tree stumps contrasted with vibrant new growth. On clear days, you may also see Mount Adams. The trail provides an immersive experience within the Mount St. Helens blast zone, showcasing both devastation and recovery.

Does the trail intersect other well-known paths?

Yes, the route is a segment of the much longer Boundary Trail and also passes through sections of the Hummocks Trail. These intersections offer opportunities to explore more of the unique volcanic landscape.

Is this trail suitable for beginners or families with young children?

Given its 'moderate' difficulty rating on komoot, with significant elevation gain (around 515m over 7.2km), and varied terrain including narrow sections and steep drop-offs, this trail is generally not recommended for beginners or families with young children. It requires good physical conditioning and careful footing. More experienced hikers will find it a rewarding challenge.

What should I bring for a hike on the Boundary West Trail?

Due to the exposed nature of the trail and potential for varied conditions, it's crucial to be well-prepared. Bring plenty of water, sun protection (hat, sunscreen, sunglasses), layers of clothing for changing weather, and sturdy hiking boots with good ankle support. Hiking poles are highly recommended for stability on steep or scree-like sections. A downloaded GPS track is advisable, as some parts can be difficult to follow, especially with snow. Don't forget snacks and a first-aid kit.

Are there any cafes or facilities near the trailhead?

While the immediate trailhead area might have limited facilities, the nearby Coldwater Lake area or the visitor centers within the Mount St. Helens National Volcanic Monument typically offer restrooms and sometimes small gift shops or interpretive centers. For cafes and pubs, you would likely need to drive to nearby towns outside the monument area. Plan to bring all necessary supplies with you.

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