3.1
(21)
83
hikers
03:53
12.7km
610m
Hiking
Embark on a moderate hike along the Glen Alpine Trail to Clyde Lake, a 7.9-mile (12.7 km) route that typically takes around 3 hours and 53 minutes to complete. You will gain 2016 feet (615 metres) in elevation as you traverse rocky singletrack through subalpine forests. The trail offers views…
Last updated: April 23, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Waypoints
Highlight • Trail
Tip by
256 m
Highlight • Lake
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1.27 km
Highlight • Waterfall
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1.89 km
Highlight • Historical Site
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2.06 km
Highlight • Natural Monument
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2.91 km
Highlight • Trail
Tip by
7.60 km
Highlight • Lake
Tip by
8.39 km
Highlight • Lake
Tip by
9.77 km
Highlight • Lake
Tip by
11.6 km
Mosquito Pass
Mountain Pass
12.7 km
Highlight • Lake
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Way Types & Surfaces
Way Types
10.7 km
2.00 km
Surfaces
12.5 km
186 m
< 100 m
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Elevation
Highest point (2,560 m)
Lowest point (2,000 m)
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Weather
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Today
Saturday 23 May
20°C
6°C
0 %
Additional weather tips
Max wind speed: 18.0 km/h
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This route was planned by komoot.
The Glen Alpine Trailhead is located near Fallen Leaf Lake in South Lake Tahoe, California. Parking is available at the trailhead, but it can fill up quickly, especially on weekends and during peak season. Arriving early in the morning is highly recommended to secure a spot.
Yes, permits are required for all visitors entering the Desolation Wilderness. Day hikers can typically pick up free permits at the trailhead. However, overnight visitors require advance permits, which are often quota-controlled. It's best to check the USDA Forest Service website for the most current regulations and to obtain overnight permits.
The best time to hike this route is typically from late spring through early fall (June to October). During spring and early summer, you'll experience amazing waterfalls due to snowmelt and abundant wildflowers. Fall offers cooler temperatures and beautiful foliage. Winter hiking is possible but requires specialized gear and experience due to snow and ice conditions.
Yes, dogs are generally allowed on the Glen Alpine Trail and within the Desolation Wilderness, but they must be kept on a leash at all times. Please remember to pack out all pet waste to preserve the wilderness environment.
The initial section of the trail follows a gravel road past the historic Glen Alpine Barn and Glen Alpine Spring. After about a mile, it transitions to very rocky singletrack. Expect a consistent climb with some relentlessly uphill sections and switchbacks. The terrain is characteristic of the rugged alpine environment of the Desolation Wilderness, featuring granite peaks and glacial valleys.
This route offers stunning scenery and several notable highlights. You'll pass by the historic Glen Alpine Barn and Glen Alpine Spring. Further along, you'll encounter beautiful lakes like Lilly Lake, Susie Lake, Heather Lake, and the very popular Lake Aloha, before reaching Clyde Lake. You might also see Upper Glen Alpine Falls, especially in spring.
Yes, the Glen Alpine Trail is a significant entry point into the Desolation Wilderness and connects to several other well-known paths. This specific route utilizes sections of the Pacific Crest Trail (PCT) - California Section K, the Tahoe Rim Trail, the Pacific Crest National Scenic Trail #2000, and the Rubicon Trail (16E30.2).
While the initial section of the Glen Alpine Trail is relatively mild, the full route to Clyde Lake is considered moderate in difficulty, involving significant elevation gain and rocky terrain. It's generally not recommended for beginners or very young children for the entire distance. However, shorter out-and-back hikes to closer destinations like Lilly Lake might be suitable for families with some hiking experience.
Given the moderate difficulty and wilderness setting, essential items include plenty of water, high-energy snacks, sun protection (hat, sunscreen, sunglasses), layers of clothing for changing weather, a map and compass or GPS device, a first-aid kit, and sturdy hiking boots. For overnight trips, a hard-sided bear canister is mandatory in Desolation Wilderness.
Yes, as a designated wilderness area, Desolation Wilderness has strict regulations to preserve its pristine nature. Besides permits, campfires are generally banned, and hard-sided bear canisters are required for overnight stays. "Leave No Trace" principles are paramount, meaning you must pack out everything you pack in. Always check the latest regulations before your trip.
This route is rated as moderate. It involves a significant elevation gain of approximately 615 meters (2,018 feet) over its 12.7 km (7.9 miles) distance. The terrain is often rocky and includes consistent uphill sections. While not extreme, it requires a good level of fitness and stamina. Reaching Clyde Lake from this trailhead is considered a substantial journey, often part of a longer backpacking trip.