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Hiking trails & Routes
Lewis County

Castle Traverse

Hard

1

hikers

Castle Traverse

07:10

14.3km

1,110m

Hiking

The Castle Traverse is a difficult hiking route that takes you through the rugged Tatoosh Range, offering dramatic vistas of Mount Rainier. You will cover 8.9 miles (14.3 km) and gain 3651 feet (1113 metres) in elevation, making this a challenging day out. Expect sections of alpine scrambling as you…

Last updated: April 23, 2026

Tips

Includes segments that are highly dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 8.72 km for 1.62 km

After 14.1 km for 254 m

Waypoints

A

Start point

Parking

Get Directions

1

2.34 km

Pinnacle Saddle

Highlight • Mountain Pass

The hike to this saddle offers beautiful views of Mount Rainier from the south, dense forests, and the Nisqually River Valley. There are climber's trails to some nearby peaks if you continue on from here.

Tip by

2

4.53 km

Even if you don't get THE shot — a crisp reflection of Mount Rainier shining off the lake's surface, only possible on a calm, clear day — it's still well …

Tip by

3

7.99 km

Bench Lake

Highlight • Lake

A captivating subalpine lake nestled on the northern slope of Unicorn Peak within the Tatoosh Range. Set within the expansive meadow known as 'The Bench,' this stunning lake derives its …

Tip by

4

8.62 km

Snow Lake

Highlight • Lake

Snow Lake is a captivating subalpine gem set against the backdrop of Unicorn Peak. Snow often graces its surroundings until the arrival of late summer.

Tip by

11.6 km

Foss Peak

Peak

6

13.0 km

The Castle

Highlight • Summit

7

14.1 km

Pinnacle Peak

Highlight • Summit

On a clear day the spectacular view from the saddle makes this hike well worth the effort. To the north is a dramatic close up view of Mount Rainier and …

Tip by

B

14.3 km

End point

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Way Types & Surfaces

Way Types

7.76 km

3.38 km

1.94 km

920 m

281 m

< 100 m

Surfaces

12.8 km

829 m

361 m

280 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 (1,930 m)

Lowest point (1,390 m)

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Weather

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Today

Wednesday 6 May

13°C

3°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What kind of terrain and challenges can I expect on the Castle Traverse?

The Castle Traverse is a challenging hike, featuring significant elevation gain and sections of alpine scrambling. You should be prepared for varied terrain, including scree slopes and exposed rock. Some parts may involve Class 3-4 scrambling, and depending on your comfort level, you might encounter sections where a rope for belay or a handline could be useful. Early season hikes may also involve snow, so an ice axe could be beneficial.

Is the Castle Traverse suitable for beginners?

While rated as 'difficult' due to its length, elevation, and scrambling sections, the Castle Traverse is considered a good introductory trip for those looking to experience alpine scrambling. However, hikers should have moderate fitness, be comfortable with exposure, and ideally have some prior scrambling experience. It's not recommended for absolute beginners to hiking.

Where does the Castle Traverse trailhead start and where can I park?

The Castle Traverse is located within Mount Rainier National Park. Specific trailhead parking information can vary, but its accessibility from a trailhead contributes to its popularity. It's advisable to check the official Mount Rainier National Park website for the most current parking regulations and availability, especially during peak season.

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

Yes, as the Castle Traverse is located within Mount Rainier National Park, you will need to pay the park entrance fee. Additionally, depending on your specific route or if you plan to camp overnight, wilderness permits may be required. Always check the official Mount Rainier National Park website for the latest fee and permit requirements before your visit.

What is the best time of year to hike the Castle Traverse?

The best time to hike the Castle Traverse is typically during the late summer and early fall months, from July through September, when snow has largely melted from the higher elevations. Early season hikes (June) might still encounter significant snow, requiring an ice axe and potentially other mountaineering gear. Always check current trail conditions and weather forecasts before heading out.

What can I see along the route?

This traverse offers spectacular views and passes by several notable features. You'll experience breathtaking vistas of Mount Rainier, especially from viewpoints like Reflection Lake View of Mount Rainier. The route also takes you past serene alpine lakes such as Bench Lake and Snow Lake, and ascends to summits like The Castle and Pinnacle Peak, often crossing Pinnacle Saddle.

Is the Castle Traverse dog-friendly?

No, dogs are generally not permitted on trails within Mount Rainier National Park, including the Castle Traverse. Pets are only allowed in developed areas, on paved roads, in campgrounds, and on specific paved trails. Service animals are an exception. Always check the park's official pet regulations before bringing your dog.

Does the trail intersect other well-known paths?

Yes, the route also passes through sections of the Unicorn Peak trail, the Pinnacle Peak Trail, Lane Peak, Snow Lake, and Bench Lake trails, offering a comprehensive experience of the Tatoosh Range.

What should I bring for this hike?

Given the difficult rating and alpine scrambling, you should bring sturdy hiking boots, plenty of water, high-energy snacks, navigation tools (map, compass, or GPS), sun protection, and layers of clothing suitable for changing mountain weather. Depending on the season and your comfort with scrambling, a helmet, gloves, and potentially an ice axe or microspikes might be advisable. Always carry a first-aid kit.

Are there any specific strategies for tackling the Castle Traverse?

To make the most of your Castle Traverse experience, consider starting early in the day to allow ample time for the challenging sections and to enjoy the views without rushing. Given the potential for exposed scrambling, it's wise to go with experienced partners or consider hiring a guide if you're new to this type of terrain. Always check the weather forecast, as conditions can change rapidly in the mountains.

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