03:28
11.1km
420m
Hiking
The Mount Harkness and Juniper Lake Loop offers a dynamic hiking experience, blending lush red fir forests with stark volcanic landscapes. You'll traverse varied terrain, from shaded woodlands to sandy cinder cones, before reaching the panoramic summit of Mount Harkness. The trail then descends to the serene Juniper Lake, where…
Last updated: June 9, 2026
Tips
Your route passes through protected areas
Please check local regulations for:
Lassen Volcanic Wilderness
Waypoints
Start point
Parking
Get Directions
75 m
Highlight • Lake
Tip by
2.37 km
Highlight • Rest Area
Tip by
5.52 km
Highlight • Monument
Tip by
11.1 km
End point
Parking
Way Types & Surfaces
Way Types
10.2 km
755 m
103 m
Surfaces
10.2 km
755 m
103 m
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Elevation
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Weather
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Thursday 16 July
24°C
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This route was planned by komoot.
The loop typically starts from the Juniper Lake Day Use Area within Lassen Volcanic National Park. Parking is available at the Juniper Lake area, but it's advisable to arrive early, especially during peak season, as spots can fill up quickly.
Yes, the Mount Harkness and Juniper Lake Loop is located within Lassen Volcanic National Park, so a park entrance fee is required. You can find current fee information and details on passes on the official NPS website. Specific hiking permits are generally not needed for day hikes on this trail.
No, dogs are generally not permitted on trails within Lassen Volcanic National Park, including the Mount Harkness and Juniper Lake Loop. Pets are typically only allowed in developed areas, picnic areas, and on paved roads.
The best season to hike this trail is typically from June to October. The road to Juniper Lake usually opens in late June or mid-July, making access possible. Hiking during this period ensures clearer trails and more favorable weather conditions.
This loop is generally considered a moderate to difficult hike. While sections around Juniper Lake are intermediate, the ascent to Mount Harkness involves a significant elevation gain of approximately 1,250 to 1,336 feet, making it strenuous. It's suitable for intermediate hikers and families with older children who are prepared for challenging sections.
You'll experience diverse terrain, from dense red fir forests and open woodlands to volcanic landscapes. The ascent to Mount Harkness involves switchbacks through jumbled rocks and mountain meadows. Near the summit, the terrain can be sandy and volcanic. The Juniper Lake portion offers picturesque lakeside walks and views of charming creeks.
Key highlights include the Juniper Lake Day Use Area, the scenic Juniper Lake Campground, and the historic Mount Harkness Fire Lookout. The summit of Mount Harkness also offers superb 360-degree panoramic views of Lassen Peak, Mt. Shasta, Lake Almanor, and even the Coast Range on clear days.
There is no potable water available in the Juniper Lake Area, so you must carry all the water you need for the hike. Essential items to pack include plenty of water, bug repellent (especially in spring), appropriate layers for changing weather, sun protection, and snacks. Sturdy hiking boots are also recommended for the varied terrain.
Hikers might encounter various wildlife, including deer, small mammals, and birds. There have been occasional bear sightings in the area. In summer, crickets are abundant on the open slopes of Mount Harkness.
Yes, the route incorporates sections of several other trails. You'll traverse parts of the Mount Harkness Trail, the Juniper Lake Loop Trail, and the Mount Harkness Lookout Trail. It also briefly touches on the Inspiration Point Trail and the Horseshoe Lake Trail.
While the Juniper Lake sections are less strenuous, the full loop including Mount Harkness is rated as moderate to difficult due to significant elevation gain. It's generally suitable for intermediate hikers and families with older children who are accustomed to longer, more challenging hikes. Beginners might find the Mount Harkness ascent particularly demanding.
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