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Routes
Hiking trails & Routes
United States
California
El Dorado County

Glen Alpine Trail

Moderate

2.6

(13)

58

hikers

Glen Alpine Trail

02:14

7.12km

420m

Hiking

Embark on the Glen Alpine Trail for a journey through varied Sierra Nevada landscapes, starting on a historic cobblestone path that quickly gives way to rocky singletrack. You'll pass the rustic Glen Alpine Barn and the refreshing Glen Alpine Spring, with views of the surrounding peaks and the Glen Alpine Stream. The trail offers a mix of forest and open granite slabs, leading you past Lilly Lake and towards the impressive Upper Glen Alpine Falls, providing a true sense of wilderness adventure.

This moderate hike covers 4.4 miles (7.1 km) with a steady 1392 feet (424 metres) of elevation gain, typically taking around 2 hours and 14 minutes. You'll need a free day-use permit for the Desolation Wilderness, which you can pick up at the trailhead. Parking can be competitive, so an early start is always a good idea, especially during peak season. Remember to bring plenty of water, as shade can thin out as you climb.

The Glen Alpine Trail is a primary entry point into the vast Desolation Wilderness, connecting to longer routes like the Pacific Crest Trail and offering a more moderate approach to Mount Tallac. Beyond its natural beauty, the trail holds historical significance, passing the site of the Glen Alpine Resort, one of Tahoe's earliest resorts. It's a fantastic option for hikers looking for a rewarding half-day outing with both scenic beauty and a touch of local history.

Last updated: June 9, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Mount Tallac Trailhead Via Glen Alpine

Highlight • Trail

At the end of the parking lot adjacent to Lily Lake, you will see an unmarked stone path. Here you can take a left to reach Mount Tallac from Glen Alpine. The path is well marked and has great views.

Tip by

1

279 m

Lilly Lake

Highlight • Lake

Hidden and untouched alpine lake nestled near Glen Alpine Waterfall and Fallen Leaf Lake. Great place to stop and take a break.

Tip by

2

1.30 km

Upper Glen Alpine Falls

Highlight • Waterfall

Upper Glen Alpine Falls, also known as Modjeska Falls, is situated approximately one mile upstream from Lily Lake and near the entrance to Desolation Wilderness. This waterfall stands 30 feet tall and can be seen on several spots along the trail.

Tip by

3

1.92 km

Glen Alpine Barn

Highlight • Historical Site

The Historic Glen Alpine Barn is an old structure on the Glen Alpine Trail, part of the former Glen Alpine Springs Resort established in the 1880s. It now serves as a national historic landmark.

Tip by

4

2.09 km

Glen Alpine Spring

Highlight • Natural Monument

A well-preserved landmark and historic spring that was used over 150 years ago at the 19th-century Glen Alpine Resort. It is one of several points of interest on the trail.

Tip by

5

2.94 km

Grass Lake Junction

Highlight • Trail

This junction offers three options. You can head towards Grass Lake or alternatively Susie Lake. If you came from Glen and prefer not to continue, you can turn back from here.

Tip by

6

4.32 km

Granite Slabs

Highlight • Natural Monument

Turn the corner and be awed by massive granite slabs cutting into the cliff. These impressive rock formations add the uniqueness of the landscape.

Tip by

7

6.79 km

Susie Lake

Highlight • Lake

B

7.12 km

End point

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Way Types & Surfaces

Way Types

5.10 km

2.02 km

Surfaces

6.90 km

209 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.

Highest point (2,380 m)

Lowest point (2,000 m)

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Weather

Powered by Foreca

Thursday 9 July

22°C

9°C

0 %

Additional weather tips

Max wind speed: 16.0 km/h

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Frequently Asked Questions

Where does the Glen Alpine Trail start and where can I park?

The trail begins near South Lake Tahoe, California. The main trailhead is located at the end of Glen Alpine Road. Parking can be limited, especially during peak season, so arriving early is highly recommended. There are no shuttle services mentioned for this specific trailhead.

Do I need a permit to hike the Glen Alpine Trail or enter Desolation Wilderness?

Yes, a free wilderness permit is required for day hikers entering the Desolation Wilderness, which the Glen Alpine Trail provides access to. These can typically be obtained at the trailhead. For overnight trips into Desolation Wilderness, permits must be acquired in advance.

Is the Glen Alpine Trail dog-friendly?

Yes, dogs are generally allowed on the Glen Alpine Trail and within Desolation Wilderness. However, they must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers. Please remember to pack out all pet waste.

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

The best time to hike the Glen Alpine Trail is typically from late spring to early fall (June through October). During early summer, you'll experience abundant wildflowers and impressive waterfalls due to snowmelt. Fall offers cooler temperatures and beautiful autumn colors. Winter hiking is possible but requires snowshoes or skis and preparedness for challenging conditions.

How difficult is the Glen Alpine Trail?

The difficulty of the Glen Alpine Trail varies from moderate to difficult, depending on your chosen destination. Shorter sections, like the 2-mile hike to Grass Lake, are considered moderate and suitable for families. However, extending your hike to destinations like Susie Lake or Lake Aloha involves significant elevation gain and rocky, uneven terrain, making it a strenuous challenge. The overall route to Susie Lake is rated as moderate.

What kind of terrain can I expect on the trail?

The trail starts on a mile-long fire road, leading to the historic Glen Alpine Springs Resort. Beyond that, it transitions to rocky singletrack with switchbacks through forested areas. You'll encounter more exposed, uneven alpine landscapes, including smooth granite slabs polished by glaciers. Creek crossings are common, and sturdy footwear is essential due to the varied and often rocky surfaces.

What can I see along the route?

This trail offers exceptional scenery. You'll pass by the historic Glen Alpine Barn and Glen Alpine Spring, beautiful waterfalls like Upper Glen Alpine Falls, and pristine alpine lakes such as Lilly Lake and Susie Lake. You'll also traverse Granite Slabs and enjoy sweeping vistas of the Sierra Nevada peaks.

Are there family-friendly options on this trail?

Yes, while some sections are challenging, there are family-friendly options. A popular choice for families is a shorter, moderate 2-mile hike to Grass Lake. This allows younger hikers to experience the beauty of the trail without committing to the more strenuous, longer distances to destinations like Lake Aloha.

Does the Glen Alpine Trail connect with other well-known paths?

Yes, the Glen Alpine Trail serves as a gateway to the Desolation Wilderness and intersects with several other significant trails. Sections of the route overlap with the Pacific Crest National Scenic Trail #2000, the PCT - California Section K, and the Tahoe Rim Trail, offering opportunities for longer backpacking adventures.

What should I bring for a hike on this trail?

Given the varied terrain and potential for changing weather, it's advisable to bring sturdy hiking boots, layers of clothing, plenty of water, snacks, a map and compass or GPS device, sun protection (hat, sunscreen), and a first-aid kit. Don't forget your day-use wilderness permit.

Is there an easier way to access Mount Tallac from this trail?

The Glen Alpine Trail offers a more moderate approach to the strenuous climb up Mount Tallac, Lake Tahoe's signature peak, compared to other routes. While still challenging, starting from the Glen Alpine trailhead can provide a slightly less intense initial ascent to reach the higher elevations of Tallac.

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