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United States
Washington

Cowlitz County

The best waterfall hikes and walks in Cowlitz County

4.9

(64)

997

hikers

6

hikes

Waterfall hiking trails in Cowlitz County, Washington, traverse a landscape shaped by volcanic activity, dense forests, and significant river systems. The region features varied terrain, from the rugged volcanic blast zones around Mount St. Helens to the lush river valleys of the Coweeman and Cowlitz Rivers. Hikers can explore trails through the vast Gifford Pinchot National Forest, encountering diverse ecosystems and elevation changes. This environment provides numerous opportunities to discover cascades and streams within its natural settings.

Best waterfall hiking trails in Cowlitz County

  • The most popular waterfall hiking route is Worm Flows Climbing Route, a 8.1 miles (13.0 km) trail that takes 9 hours 17 minutes to complete. This difficult route offers challenging ascents through volcanic landscapes.
  • Another top favourite among local hikers is Loowit Trail, a difficult 26.7 miles (43.0 km) path. This extensive trail circles Mount St. Helens, showcasing diverse volcanic scenery and remote wilderness.
  • Local hikers also love the Mt. Mitchell Trail, a 4.5 miles (7.2 km) trail leading through forested slopes, often completed in about 2 hours 2 minutes.
  • Hiking in Cowlitz County is defined by volcanic landscapes, dense forests, and river valleys. The network offers options for various ability levels, from moderate forest paths to difficult mountain ascents.
  • The routes in Cowlitz County are highly rated by the komoot community with an average score of 4.9 stars from more than 50 reviews. More than 700 hikers have used komoot to explore Cowlitz County's varied terrain.

Last updated: April 26, 2026

5.0

(1)

61

hikers

#1.

Worm Flows Climbing Route

13.0km

09:17

2,080m

890m

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Hard

4

hikers

43.0km

13:23

1,580m

1,580m

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard
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7.19km

02:02

200m

100m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Hard hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

Hard

1

hikers

9.87km

03:03

370m

370m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

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Tips from the Community

Lisa
August 25, 2023, Sheep Canyon Falls

This very pretty waterfall offers a beautiful, idyllic sanctuary on the slopes of Mount St. Helens.

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Now accessible only via the Blue Lake Trailhead (or a thru-hike), this bridge offers safe passage across Sheep Canyon and its riotous creek, both of which cut across the western flank of Mount St. Helens. Leave yourself a little time to hike upstream and see a waterfall.

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Lisa
August 25, 2023, Blue Lake

Blue Lake is small and shallow, and was relatively unaffected by the 1980 eruption of Mount St. Helens. But the land around it was affected, including major debris flows that deposited silt in the lake. Keep an eye out for huge noble firs near the lake.

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The South Fork Toutle River is a reliable water source along the Loowit Trail. There are also spots to pitch your tent at the south side of the river. A rope will help you to climb over the loose rock down and up the river bank.

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This is where the Ptarmigan Trail meets with the Loowit Trail and Monitor Ridge. If you plan to summit Mount Saint Helens, you continue along the rough Monitor Ridge. Keep in mind that you need a permit to do so. The Loowit Trail, however, circumfences Mount Saint Helens and leads you to the blast zone. It is 30 miles long, so it can be a great multi-day adventure. There is no permit needed to complete the Loowit Trail.

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Most people will know the name of Mount St. Helens due to the massive eruption that happened in May 1980. In that event, the top of the mountain was blasted away by the pressure that was released instantly and the north side collapsed with a gigantic landslide. Today, the volcano is still mildly active. You can see steam coming out of the crater and timelapse videos show the evolution of new cones over the years. A steep trail will lead you to the rim with some difficult terrain, the true summit is another 0.4 miles to the west. For summiting Mount St. Helens, you need to obtain a permit year round.

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Mount St. Helens is a volcano best known for its major May 1980 eruption.

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Here, the trail winds along the foothills of the volcano.

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Frequently Asked Questions

What kind of terrain can I expect on waterfall hikes in Cowlitz County?

Waterfall hikes in Cowlitz County traverse a diverse landscape shaped by volcanic activity, dense forests, and significant river systems. You'll find varied terrain, from rugged volcanic blast zones around Mount St. Helens to lush river valleys within the Gifford Pinchot National Forest, offering opportunities to discover cascades and streams.

How many waterfall hiking trails are available in Cowlitz County?

Cowlitz County offers a number of waterfall hiking trails. Komoot features 6 distinct routes, ranging from moderate forest paths to challenging mountain ascents, all providing opportunities to experience the region's natural beauty and discover its cascades.

Are there any easy waterfall hikes suitable for families in Cowlitz County?

While many trails in Cowlitz County can be challenging, there are options that families might find more accessible. For example, the Toutle Trail is a moderate option that offers a good balance of scenery and manageable distance, providing river views that can include smaller cascades or streams, depending on the season.

What are some notable natural features or attractions near the waterfall trails?

Many waterfall trails are located within or near significant natural attractions. You can explore volcanic landscapes around the Mount St. Helens National Volcanic Monument, with highlights like the Hummocks Trail or the Birth of a Lake Trail. The vast Gifford Pinchot National Forest also offers numerous trails with diverse ecosystems.

What do other hikers say about the waterfall trails in Cowlitz County?

The waterfall hiking trails in Cowlitz County are highly rated by the komoot community, with an average score of 4.9 stars from over 50 reviews. Hikers often praise the unique volcanic landscapes, the lush forests, and the opportunity to witness the natural recovery around Mount St. Helens.

Are there any challenging waterfall hikes for experienced hikers?

Yes, Cowlitz County offers several challenging routes for experienced hikers. The Worm Flows Climbing Route is a difficult 8.1-mile trail with significant elevation gain, and the extensive Loowit Trail circles Mount St. Helens, showcasing diverse volcanic scenery and remote wilderness over 26.7 miles.

What is the best time of year to visit Cowlitz County for waterfall hikes?

The best time to visit Cowlitz County for waterfall hikes generally depends on the specific trail and your preferences. Spring and early summer often offer the most vibrant waterfalls due to snowmelt, while fall provides beautiful foliage. Some higher elevation trails may be inaccessible due to snow in winter.

Can I bring my dog on waterfall hikes in Cowlitz County?

Many trails in Cowlitz County, especially within the Gifford Pinchot National Forest, are dog-friendly, though leash laws typically apply. It's always best to check specific trail regulations before heading out, particularly in protected areas like the Mount St. Helens National Volcanic Monument, where restrictions might be in place.

Are there any moderate waterfall hikes in the area?

Yes, there are moderate options available. The Mt. Mitchell Trail is a moderate 4.5-mile trail leading through forested slopes, often completed in about 2 hours, offering a less strenuous way to experience the region's natural beauty.

What kind of wildlife might I encounter on waterfall trails?

Cowlitz County's dense forests and river valleys are home to diverse wildlife. Hikers might spot various bird species, deer, and smaller mammals. In more remote areas, there's a chance of encountering larger wildlife, so it's always wise to be aware of your surroundings and practice Leave No Trace principles.

Are there any specific permits required for waterfall hiking in Cowlitz County?

Permit requirements can vary depending on the specific area and trail. For instance, some areas within the Mount St. Helens National Volcanic Monument or certain wilderness areas in the Gifford Pinchot National Forest may require permits, especially for climbing or overnight stays. It's advisable to check with the relevant land management agency before your hike.

What should I bring for a waterfall hike in Cowlitz County?

For waterfall hikes in Cowlitz County, it's recommended to bring appropriate hiking footwear, layers of clothing for changing weather, plenty of water, snacks, a map or navigation device, and a first-aid kit. Depending on the trail, trekking poles can also be beneficial, especially on steeper or uneven terrain.

Most popular routes in Cowlitz County

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