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United States
Washington

Lewis County

The best MTB trails in Lewis County

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Mountain biking in Lewis County, Washington, offers diverse landscapes for riders of all skill levels. The region features rugged mountains, rolling hills, and fertile valleys, with trails winding through dense forests and past numerous lakes and rivers. Riders can experience views of Mount Rainier, Mount Adams, and Mount St. Helens, alongside geological formations shaped by volcanic activity.

Best mountain bike trails in Lewis County

  • The most popular mountain bike trail is Goat Mountain – Goat Mountain loop from Ryan Lake

Last updated: April 30, 2026

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#1.

Goat Mountain – Goat Mountain loop from Ryan Lake

30.9km

03:47

1,180m

1,180m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

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Popular around Lewis County

Wonderland Trail — 93 iconic miles around Mount Rainier

The pristine beauty of the US National Parks

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Wonderland Trail — 93 iconic miles around Mount Rainier

Hiking Collection by

Jamie S.

Tips from the Community

maniboyflex
June 24, 2025, Silver Creek Pass

This is a solid backcountry ride with a mix of steady climbing, creek crossings, and rooty singletrack. The trail isn’t groomed, but it’s rideable and offers some good flow on the descent. Expect a remote feel and keep an eye out for wet spots, especially early in the season.

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Granite Lake is located just after Bertha Lake, and though both are beautiful lakes, Granite Lake is often the best choice for a dip in the water. After Granite Lake, you can follow the trail to Cora Lake, which is a less-trafficked trail, so it can be more narrow and not so easy to navigate.

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Bertha May Lake is a stunning and easily accessible destination in Mount Rainier National Park. The lake has green, crystal-clear water with a surrounding forest that gives a sense of tranquility, and is a good place for fishing.

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maniboyflex
August 8, 2024, Vanson Peak

Vanson Peak has a beautiful vista of the forest around Mount Saint Helens, with Mount Rainier and Adams in the background. The trail to the peak is a mix of everything: creek crossings, waterfalls, lush forest and a solid amount of elevation gain. During the winter and early seasons, the snow makes the trail much more challenging, so it is better to avoid it.

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maniboyflex
August 8, 2024, Granite Lake

Granite Lake is located just after Bertha Lake, and though both are beautiful lakes, Granite Lake is often the best choice for a dip in the water. After Granite Lake, you can follow the trail to Cora Lake, which is a less-trafficked trail, so it can be more narrow and not so easy to navigate.

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Bertha May Lake is a stunning and easily accessible destination in Mount Rainier National Park. The lake has green, crystal-clear water with a surrounding forest that gives a sense of tranquility, and is a good place for fishing.

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Lisa
August 24, 2023, Goat Mountain

Sidehills along the slopes of Goat Mountain produces some amazing views, including the barren summit of Goat Mountain itself, Mount St. Helens looming in the distance, and neighboring slopes that were affected by the volcano's 1980 eruption.

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Frequently Asked Questions

What kind of terrain can I expect on mountain bike trails in Lewis County?

Lewis County's mountain bike trails offer a diverse mix of terrain, from rugged mountains and rolling hills to fertile valleys. You'll find trails winding through dense, old-growth forests, past serene lakes and pristine rivers, and even through areas showing the geological impact of past volcanic activity. Many routes feature a blend of steep inclines, fast flowing downhills, and technical singletrack sections.

Are there any family-friendly mountain biking options in Lewis County?

While many trails in Lewis County are geared towards moderate to difficult skill levels, the region does offer some multi-use paths that are more suitable for families. For example, the Willapa Hills Trail is known for its gentle grades and picturesque landscapes, making it a good option for a more relaxed ride. Always check individual trail descriptions for suitability.

Can I bring my dog on the mountain bike trails in Lewis County?

Many trails in Lewis County are located within national forests or parks, which often have specific regulations regarding pets. While some trails may allow dogs on a leash, it's crucial to check the specific rules for each trail or park you plan to visit before heading out. Always ensure your dog is under control and that you pack out any waste.

What are the typical trail lengths and durations for mountain biking in Lewis County?

Mountain bike trails in Lewis County vary significantly in length and duration. For instance, the Goat Mountain – Goat Mountain loop from Ryan Lake is a challenging 19.2-mile (30.9 km) route that typically takes around 3 hours 47 minutes. A moderate option like the Silver Creek Pass loop from Oscar Brown Cabin covers 24.0 miles (38.7 km) and can be completed in about 3 hours 25 minutes. Always consider your fitness level and plan accordingly.

Are there mountain bike trails with scenic viewpoints in Lewis County?

Absolutely. Lewis County is renowned for its breathtaking views. Many trails offer panoramic vistas of Mount Rainier, Mount Adams, and Mount St. Helens. For example, the Goat Mountain – Goat Mountain loop from Ryan Lake provides expansive views, including distant sights of Mount St. Helens. The Juniper Ridge Trail #261 also climbs above the treeline, rewarding riders with sweeping views of the volcanic peaks. You can also find stunning views from highlights like Faraway Rock Overlook.

What is the best time of year to go mountain biking in Lewis County?

The best time for mountain biking in Lewis County is typically from late spring through early autumn. During these months, the weather is generally more favorable, and trails are less likely to be affected by snow. Some higher elevation trails can remain snow-covered into early summer. Always check local conditions and weather forecasts before you go, as trails can be more challenging during winter and early seasons due to snow.

Are there any loop trails for mountain biking in Lewis County?

Yes, Lewis County offers several excellent loop trails for mountain biking. Popular options include the challenging Goat Mountain – Goat Mountain loop from Ryan Lake and the equally demanding Granite Lake – Bertha May Lake loop from Big Creek Campground. For a moderate experience, consider the Silver Creek Pass loop from Oscar Brown Cabin.

What kind of natural attractions can I see along the mountain bike trails?

Lewis County's trails often lead through or near stunning natural attractions. You can expect to see lush, old-growth forests, serene alpine lakes like Granite Lake and Bertha May Lake, and impressive rivers such as the Cowlitz River. Some trails also offer views of dramatic geological formations. For specific points of interest, look out for highlights like Narada Falls or the Nisqually River Crossing on the Wonderland Trail.

Are there any trails that feature lakes or waterfalls?

Yes, Lewis County is home to numerous beautiful lakes and scenic waterfalls. The Granite Lake – Bertha May Lake loop from Big Creek Campground, for example, features beautiful alpine lakes, with Bertha May Lake being particularly stunning and easily accessible within Mount Rainier National Park. The Lewis River is also noted for its scenic waterfalls. You can also find highlights like Beusch Lake and Narada Falls in the region.

What is the difficulty level of mountain bike trails in Lewis County?

Lewis County offers a range of mountain biking experiences. While there are some easier multi-use paths, the majority of dedicated mountain bike trails are classified as moderate to difficult. You'll find challenging singletracks with significant elevation gains, requiring good fitness and advanced riding skills. For example, two of the most popular routes, the Goat Mountain loop and the Granite Lake – Bertha May Lake loop, are both rated as difficult.

Are there any less crowded mountain bike trails in Lewis County?

While specific crowd levels can vary, exploring trails slightly off the main popular routes or visiting during off-peak times (weekdays, early mornings) can help you find a quieter experience. Trails within the vast Gifford Pinchot National Forest, for instance, offer extensive wilderness and diverse landscapes, potentially providing more solitude than routes closer to major attractions. Always check recent trail reports for current conditions and popularity.

What do other mountain bikers enjoy most about Lewis County?

Mountain bikers frequently praise Lewis County for its exceptional natural beauty, which includes dramatic volcanic peaks, pristine alpine lakes, and dense old-growth forests. The diverse network of trails, offering varied experiences for all levels, is also a significant draw. Riders often highlight the panoramic views of Mount Rainier, Mount Adams, and Mount St. Helens as a major highlight of their rides.

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