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Lewis County

Nannie Ridge, PCT, and Walupt Lake Loop

Routes
Hiking trails & Routes
Lewis County

Nannie Ridge, PCT, and Walupt Lake Loop

Hard

3

hikers

Nannie Ridge, PCT, and Walupt Lake Loop

07:13

23.2km

820m

Hiking

Embark on a challenging hike through the Goat Rocks Wilderness, starting near the clear waters of Walupt Lake. The route quickly ascends Nannie Ridge, taking you out of dense forest and onto open ridgetops. From Nannie Peak, you'll witness expansive views of Mount Adams and the rugged peaks of the Goat Rocks. This difficult 14.4-mile (23.2 km) loop involves a significant 2702 feet (824 metres) of elevation gain, typically requiring around 7 hours and 13 minutes to complete. It's a rewarding trek for experienced hikers seeking a demanding adventure.

Plan your visit for mid-summer through fall, after the snow has largely melted, to enjoy the best conditions. Be prepared for bugs, especially mosquitoes, which can be quite active in certain areas along the trail. You will generally need a Northwest Forest Pass for parking, and if you plan an overnight stay, wilderness permits are available directly at the trailhead.

The Nannie Ridge, PCT, and Walupt Lake Loop takes you deep into the Goat Rocks Wilderness, an area renowned for its dramatic volcanic landscapes. In summer, the alpine meadows along the trail burst with vibrant wildflowers like lupine and paintbrush, adding a splash of color to the rugged scenery. This loop offers a true immersion into the wild, showcasing the natural beauty of Washington's high country.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

4.83 km

Nannie Peak

Highlight • Summit

5.41 km

Viewpoint

Viewpoint

8.73 km

Sheep Lake

Lake

4

9.88 km

Walupt Creek

Highlight • River

Walupt Creek flows into Walupt Lake, but might be dry in the summer.

Tip by

5

15.1 km

View of Walupt Lake & Mount Adams

Highlight • Viewpoint

While you are hiking high along the ridge you can enjoy stunning views towards shining Walupt Lake and Mount Adams peaking with its white snowy summit.

Tip by

6

16.4 km

Walupt Lake Trail

Highlight • Trail

Walupt Lake is a popular spot to spend some idyllic moments in the wilderness. A side trail leads down to the lake. There are some campsites next to the junction, too.

Tip by

B

23.2 km

End point

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Way Types & Surfaces

Way Types

23.0 km

170 m

Surfaces

23.0 km

163 m

< 100 m

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Elevation

Elevation

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Weather

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Today

Saturday 23 May

15°C

5°C

0 %

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Max wind speed: 15.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Nannie Ridge, PCT, and Walupt Lake Loop?

This loop offers diverse and challenging terrain. You'll experience a steep ascent of about 1,800 to 2,000 feet in the first two miles of the Nannie Ridge section. The path transitions from dense forest at lower elevations to open, scenic ridgetops and alpine meadows. Portions of the trail follow the Pacific Crest Trail (PCT), which is generally smooth and well-maintained. Be prepared for potential minor obstacles like downed trees or snow patches at higher elevations, even into mid-July.

What are the main scenic highlights along the route?

The loop offers breathtaking views throughout. You'll start near the serene Walupt Lake. As you climb, you'll get expansive vistas from Nannie Peak, including the View of Walupt Lake & Mount Adams and the rugged peaks of the Goat Rocks Wilderness. Walupt Creek is another notable feature, and Sheep Lake is a picturesque alpine spot. The Walupt Lake Trail section also offers beautiful scenery.

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

The best time to hike this loop is typically from mid-summer through fall, after most of the snow has melted. This period also offers vibrant displays of wildflowers. Be aware that bugs, especially mosquitoes, can be prevalent during certain times, so insect repellent is advisable.

Are there any permits or fees required for hiking in the Goat Rocks Wilderness?

Yes, a Northwest Forest Pass is generally required for parking. For overnight stays, wilderness permits are available at the trailhead. You can find more information on regulations and passes on the usda.gov website.

Where can I park for the Nannie Ridge, PCT, and Walupt Lake Loop?

Parking is available at the Walupt Lake trailhead. The access roads to Walupt Lake can be rough in sections, but they are generally passable for most vehicles. Remember that a Northwest Forest Pass is typically required for parking.

Is the Nannie Ridge, PCT, and Walupt Lake Loop dog-friendly?

While the Goat Rocks Wilderness generally allows dogs, it's always best to check the most current regulations regarding leash laws and specific trail restrictions before you go. Always practice Leave No Trace principles and pack out all waste.

Does this loop connect with other well-known trails?

Yes, a significant portion of this loop utilizes the Pacific Crest Trail (PCT), specifically Washington Section H. It also incorporates sections of the Nannie Ridge Trail #98 and the Walupt Lake Trail #101.

Are there reliable water sources along the trail?

Water sources, primarily creek drainages, are available along the trail. However, some can be dry later in the season, especially during late summer and fall. It's always recommended to carry sufficient water or a reliable water filter/purifier.

What kind of wildlife and plants might I encounter?

The Goat Rocks Wilderness is home to diverse wildlife. Hikers may spot mountain goats, deer, elk, and various birds. In terms of flora, the trail is particularly known for its vibrant wildflower displays from mid-summer through fall, including lupine, paintbrush, phlox, and white rhododendron.

What should I be aware of regarding snow on the trail?

Even into mid-July, you might encounter snow patches, particularly on north-facing slopes and at higher elevations. Always check recent trail reports before heading out, especially early in the season, and be prepared with appropriate footwear and gear for potential snow crossings.

Is the Nannie Ridge, PCT, and Walupt Lake Loop suitable for a day hike or backpacking?

Given its length of over 23 km (14 miles) and significant elevation gain, this loop is generally considered a challenging multi-night backpacking trip. While an ambitious and very fit hiker might attempt it as a long day hike, it's more commonly enjoyed as a backpacking experience to fully appreciate the scenery and manage the physical demands.

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