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Hiking trails & Routes
United States
Washington
Kittitas County

Rampart Lakes and Alta Mountain Trail

Hard

5.0

(8044)

16,688

hikers

Rampart Lakes and Alta Mountain Trail

07:23

16.0km

1,430m

Hiking

Embark on a challenging hike along the Rampart Lakes and Alta Mountain Trail, a difficult route spanning 9.9 miles (16.0 km). You will ascend a significant 4703 feet (1433 metres) over approximately 7 hours and 22 minutes, making it a demanding full-day adventure. The trail leads you through varied terrain,…

Last updated: April 23, 2026

Tips

Includes segments that may be dangerous

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

After 1.56 km for 570 m

After 3.04 km for 407 m

After 11.8 km for 570 m

After 12.5 km for 105 m

After 15.2 km for 105 m

After 15.4 km for 570 m

Waypoints

A

Start point

Parking

Get Directions

1

3.79 km

Rampart Lakes

Highlight • Lake

These lakes are a hugely popular overnight backpacking destination, but energetic dayhikers can make it here and back without a problem. Watch for huckleberries on the way — they make for great snacking.

Tip by

2

6.89 km

Alta Mountain Summit

Highlight • Summit

Alta Peak is a classic summit that is located in the Alpine Lakes Region. Home to stellar views, Alta Peak is a popular destination for those want to bag a …

Tip by

14.3 km

Rocky Run Falls

Waterfall

B

16.0 km

End point

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Way Types & Surfaces

Way Types

10.3 km

5.38 km

245 m

< 100 m

Surfaces

15.5 km

210 m

203 m

< 100 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Today

Sunday 31 May

11°C

-1°C

0 %

Additional weather tips

Max wind speed: 13.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How challenging is the Rampart Lakes and Alta Mountain Trail?

This trail is considered strenuous and difficult, best suited for experienced hikers with a high level of fitness. It features significant elevation gain, very steep sections, and some scrambling, especially on the ascent to Alta Mountain Summit. Hikers should be prepared for varied terrain including rocky paths, roots, and potentially loose rock.

What are the key scenic highlights along the route?

The trail offers a '12-course feast for the eyes'. You'll encounter several beautiful alpine lakes, including Rachel Lake and the interconnected Rampart Lakes, which are perfect for swimming. From Alta Mountain Summit, you'll be treated to 360-degree panoramic views of the Central Cascades, including Mount Rainier. The route also features waterfalls, dense forests, and alpine meadows.

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

The ideal time to hike is typically from June to October. In summer, you'll find vibrant wildflowers, while fall brings a spectacular 'crimson carpet' of vine maple leaves. Be aware that snow can persist on the ridge in late spring and early summer, potentially requiring microspikes. Winter hiking is possible but comes with increased risks due to snow bridges, cornices, and exposed sections.

Where can I park and access the trailhead?

The most popular access point is often through the Rachel Lake Trailhead. While other routes exist, some, like the 'backdoor trail' from Lake Lillian, are known for extremely rough road conditions requiring high-clearance vehicles. Arriving early is recommended, especially on weekends, as parking can fill up quickly.

Are dogs allowed on the Rampart Lakes and Alta Mountain Trail?

Yes, dogs are generally allowed on this trail. However, as it is located within the Alpine Lakes Wilderness, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all visitors. Please remember to pack out all pet waste.

Do I need any permits or is there an entrance fee for the Alpine Lakes Wilderness?

Yes, a Northwest Forest Pass (or an equivalent interagency pass like America the Beautiful) is required for parking at the trailhead. There are no specific entrance fees for the Alpine Lakes Wilderness itself, but wilderness regulations apply, including Leave No Trace principles and group size limits. Overnight stays require a wilderness permit, which can be obtained through a lottery system for popular areas.

What is the terrain like, and are there any navigation challenges?

The terrain is highly varied, ranging from dense forest to rocky paths, roots, and cobbled boulders. You'll encounter very steep sections, including some requiring scrambling. Navigation can be tricky at times, with poorly marked sections and a 'maze' of social trails around Rampart Lakes. Offline navigation is highly recommended to stay on track.

Does this trail connect with other paths?

Yes, the route incorporates sections of several official trails. You will hike along parts of the Rampart Ridge Backdoor, Alta Mountain via Rachel Lake, Rachel Lake Trail, Lake Laura Backdoor Trail, and Lila Lake Trail. This allows for varied itineraries and access points.

Are there any specific dangers or exposed sections to be aware of?

Yes, there are a couple of exposed spots, particularly on the ridge leading up to Alta Mountain Summit, where careful footing is essential. Some areas could be fatal with a fall. It's strongly advised not to attempt the summit with snow present due to these risks. The trail also features 'false summits' which can be mentally challenging.

Can I swim in the lakes along the trail?

Yes, the Rampart Lakes are particularly noted as gorgeous and a perfect spot for swimming. Rachel Lake also offers ample space for relaxation. Always practice Leave No Trace principles when enjoying the water, and be mindful of the cold alpine temperatures.

What wildlife might I encounter on the trail?

Hikers often spot marmots and mountain goats, especially in the higher alpine sections. The trail also passes through diverse habitats, so you might see various bird species and smaller mammals. Remember to observe wildlife from a distance and never feed them.

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