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Lincoln County

Big Spar & Little Spar Lake Trail loop

Routes
Hiking trails & Routes
Lincoln County

Big Spar & Little Spar Lake Trail loop

Hard

Big Spar & Little Spar Lake Trail loop

06:57

22.2km

860m

Hiking

Hike the difficult 13.8-mile Big Spar & Little Spar Lake Trail loop in Kootenai National Forest, gaining 2832 feet to stunning alpine lakes.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Kootenai National Forest

Waypoints

A

Start point

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1

841 m

Big Spar Lake

Highlight • Lake

A clear view of Spar Peak in the background, this is a great place for swimming and fishing; you can catch brook, rainbow, lake and westslope cutthroat trout, and even kokanee salmon. the shore line is about 4.26 miles around. It's about 102 feet deep, but has been known to reach as deep as 200 feet.

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B

22.2 km

End point

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Way Types & Surfaces

Way Types

12.1 km

7.92 km

2.17 km

Surfaces

12.1 km

10.1 km

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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 (1,600 m)

Lowest point (980 m)

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Weather

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Today

Friday 10 July

27°C

13°C

0 %

Additional weather tips

Max wind speed: 14.0 km/h

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Frequently Asked Questions

How long does it typically take to hike the Big Spar & Little Spar Lake Trail loop?

This challenging loop typically takes around 7 hours to complete, covering a distance of approximately 22.2 kilometers with significant elevation gain. It's best to plan for a full day on the trail.

What is the terrain like on this loop?

The terrain is varied and demanding. It begins on an old logging road but quickly transitions to a rugged singletrack. You'll encounter many undulations, steep and rocky sections, and potentially washed-out areas. Be prepared for multiple creek crossings, which can be high in early season, and overgrown brush or downed trees, especially before summer maintenance. Sturdy footwear and hiking poles are highly recommended.

What kind of natural features and viewpoints can I expect along the route?

The trail offers a diverse and captivating environment. You'll traverse a lush canyon with giant old-growth western hemlocks and massive towering cliffs. Snowfields can persist in shaded areas late into summer. As you ascend, the forest gives way to alpine meadows, leading to the stunning Little Spar Lake. This idyllic alpine lake is nestled amidst the Cabinet Mountains, backed by a beautiful rock ridgeline, and features crystal blue water. You'll also pass by Big Spar Lake.

When is the best time of year to hike the Big Spar & Little Spar Lake Trail loop?

The best time to hike this loop is generally from late spring to early fall, once snow has melted and trail maintenance has occurred. Early season hikes may involve challenging creek crossings due to high water and more downed trees. Always check current trail conditions and weather forecasts before you go.

Is the Big Spar & Little Spar Lake Trail loop dog-friendly?

Yes, dogs are generally allowed on this trail. However, given the presence of wildlife, including bears, it's crucial to keep your dog on a leash and ensure they are under control at all times. Always practice Leave No Trace principles, including packing out all pet waste.

Do I need a permit or is there an entrance fee for hiking in Kootenai National Forest?

Generally, there are no entrance fees or permits required for day hiking on trails within the Kootenai National Forest. However, it's always a good idea to check the official Kootenai National Forest website for any specific regulations or alerts that might apply to the Scotchman Peaks Wilderness area or overnight stays.

Where does the trail start and where can I park?

The loop typically starts from a trailhead associated with the Little Spar Lake Trail. Specific parking information can vary, so it's best to consult a detailed map or local forest service resources for the most accurate trailhead coordinates and parking availability before your visit.

What should I bring for a hike on this trail?

Given the trail's difficulty and ruggedness, you should bring sturdy hiking boots, plenty of water, snacks, and appropriate layers for changing weather. Hiking poles are highly recommended for stability on steep and uneven sections. Due to potential navigation challenges and wildlife, a map, GPS device, and bear spray are also essential items.

Are there opportunities for swimming along the trail?

Yes, Little Spar Lake is notably one of the warmer alpine lakes in the region, making it suitable for a refreshing swim after your challenging hike. It's a perfect spot to cool off and enjoy the serene surroundings.

Does this loop connect with other trails?

Yes, this route incorporates sections of several other paths. You'll hike along parts of the Big Spur Trail, the Little Spur Lake Trail, National Forest Development Road 384, and a small portion of the Spar Peak Trail.

Is the Big Spar & Little Spar Lake Trail loop suitable for beginners?

No, this trail is rated as 'difficult' and is not suitable for beginners. It involves significant elevation gain, rugged terrain, and can be challenging with steep, rocky, and potentially overgrown sections. Hikers should have a good level of fitness and prior experience with strenuous hikes.

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