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Routes
Hiking trails & Routes
United States
California
Trinity County

Bear Basin - Granite Lake Loop

Hard

4.7

(5193)

6,950

hikers

Bear Basin - Granite Lake Loop

07:28

22.6km

1,100m

Hiking

The Bear Basin - Granite Lake Loop offers a challenging hiking experience through the rugged Trinity Alps Wilderness. You will navigate dense forests of pine and cedar, gradually ascending into sparser subalpine zones. The route is a difficult 14.1 miles (22.6 km) long, involving a significant elevation gain of 3604…

Last updated: April 23, 2026

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Your route passes through a protected area

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Waypoints

A

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B

22.6 km

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Way Types & Surfaces

Way Types

22.6 km

< 100 m

Surfaces

22.6 km

< 100 m

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Elevation

Elevation

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Highest point (2,300 m)

Lowest point (1,210 m)

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Today

Sunday 17 May

15°C

1°C

0 %

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Max wind speed: 20.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does it typically take to hike the Bear Basin - Granite Lake Loop?

This is a challenging full-day hike. Most hikers complete the 22.6 km (14 miles) loop in about 7 to 8 hours, but it can take longer depending on your pace and how much time you spend enjoying the scenery. Plan for a full day on the trail.

Is the Bear Basin - Granite Lake Loop suitable for beginners or families with young children?

No, this trail is rated as difficult and is not recommended for beginners or young children. It involves a significant elevation gain of nearly 1100 meters (3,600 feet) and features rocky, uneven, and steep sections. Hikers should have a good level of fitness and experience.

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

The best time to hike the Bear Basin - Granite Lake Loop is typically from late spring to early fall. During spring and early summer, wildflowers are abundant, adding vibrant color to the landscape. Always check current conditions before you go, as snow can linger at higher elevations into early summer.

Do I need a permit or is there an entrance fee for the Trinity Alps Wilderness?

While there is no entrance fee for the Trinity Alps Wilderness, you may need a wilderness permit for overnight stays. For day hikes, a California Campfire Permit is required if you plan to use a stove or have a campfire. Always check the latest regulations with the Shasta-Trinity National Forest before your trip.

Is the trail dog-friendly?

Yes, dogs are generally allowed in the Trinity Alps Wilderness. However, they must be kept under control, and it's always best to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Remember to pack out all pet waste.

Where can I park for the Bear Basin - Granite Lake Loop?

The primary access point for this loop is typically the Swift Creek Trailhead. Parking is available there, but it can fill up quickly, especially on weekends during peak season. Arriving early in the morning is recommended to secure a spot.

What kind of terrain should I expect on the route?

The terrain is diverse and challenging. You'll start in dense forest, ascend through switchbacks into subalpine zones, and traverse rocky, uneven sections. The downward path can be steep. Sturdy hiking boots with good ankle support are highly recommended due to the varied ground.

What are the main scenic highlights along the way?

Key scenic highlights include the serene Granite Lake, reached after about 5 miles, which offers striking reflections of surrounding peaks. As you traverse a ridge, you'll also be rewarded with expansive, 360-degree panoramic views of the Trinity Alps. The trail also winds through lush meadows and old-growth forests.

Does the trail intersect with other paths?

Yes, the route utilizes sections of several official trails. You'll hike along parts of the Granite Lake Trail (08W14), the Bear Basin Trail (09W10), and the Swift Creek Trail (29%). A smaller portion also follows the Seven Up Peak Trail (9W67).

What wildlife might I encounter on the trail?

The Trinity Alps Wilderness is rich in biodiversity. You might spot black bears, deer, and various bird species. Always be bear-aware: carry bear spray, make noise on the trail, and store food properly. Enjoy observing wildlife from a distance.

Are there any amenities or services near the Swift Creek Trailhead?

The Swift Creek Trailhead is located in a wilderness area, so amenities are limited. The nearest services, such as cafes, pubs, and accommodation, can be found in the small community of Trinity Center, California, which is a short drive away.

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