Rampart Lakes and Alta Mountain Trail
Rampart Lakes and Alta Mountain Trail
5.0
(8044)
16,688
hikers
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
Start point
Parking
Get Directions
3.79 km
Highlight • Lake
Tip by
6.89 km
Highlight • Summit
Tip by
14.3 km
Rocky Run Falls
Waterfall
16.0 km
End point
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
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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.