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Hiking trails & Routes
Lassen County

Mount Harkness and Juniper Lake Loop

Routes
Hiking trails & Routes
Lassen County

Mount Harkness and Juniper Lake Loop

Moderate

Mount Harkness and Juniper Lake Loop

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

Lassen Volcanic National Park

Waypoints

A

Start point

Parking

Get Directions

1

75 m

Juniper Lake Day Use Area

Highlight • Lake

This scenic area is appropriate for wading, swimming, and launching personal, non-motorized watercraft like canoes, kayaks, and paddle boards.

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2

2.37 km

Juniper Lake Campground

Highlight • Rest Area

There are a couple first-come, first-served seasonal campsites available as well as trash cans, food storage lockers, picnic tables, and vault toilets, but there is no potable water or electricity. A ranger station is near the road.

Tip by

3

5.52 km

Mount Harkness Fire Lookout

Highlight • Monument

The Mount Harkness Fire Lookout sits on the summit of Mount Harkness. The lookout has been in operation since its construction in 1930. Seasonal staff stationed at the lookout continue …

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B

11.1 km

End point

Parking

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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

Elevation

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Weather

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Thursday 16 July

24°C

9°C

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Frequently Asked Questions

Where does the Mount Harkness and Juniper Lake Loop trail start, and where can I park?

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.

Are there any permits or entrance fees required for this trail?

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.

Is the Mount Harkness and Juniper Lake Loop dog-friendly?

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.

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

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.

How difficult is the Mount Harkness and Juniper Lake Loop?

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.

What kind of terrain and scenery can I expect on the trail?

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.

What are the main points of interest along the route?

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.

Is water available on the trail, and what should I pack?

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.

What kind of wildlife might I encounter on the Mount Harkness and Juniper Lake Loop?

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.

Does the loop connect with other trails?

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.

Is this trail suitable for families or beginners?

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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