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Routes
Hiking trails & Routes
United States
Wyoming
Sublette County

Cirque of the Towers to Fremont Trail Loop

Routes
Hiking trails & Routes
United States
Wyoming
Sublette County

Cirque of the Towers to Fremont Trail Loop

Hard

4.6

(4285)

8,599

hikers

Cirque of the Towers to Fremont Trail Loop

11:26

36.6km

1,080m

Hiking

Embark on the Cirque of the Towers to Fremont Trail Loop, a challenging hike spanning 22.7 miles (36.6 km) with a significant elevation gain of 3540 feet (1079 metres). This difficult route typically takes around 11 hours and 26 minutes to complete. As you traverse the rugged alpine terrain, you'll be immersed in dramatic scenery, highlighted by the iconic Cirque of the Towers. Here, towering granite peaks like Pingora and Wolf's Head dominate the skyline, forming a natural amphitheater. The trail also leads you past pristine alpine lakes, such as Big Sandy Lake and Mirror Lake, and through expansive meadows bursting with wildflowers.

Planning your visit requires careful consideration for this demanding loop. The optimal time to hike is generally from mid-July through September, when you can expect drier trails and minimal snow cover. While permits are not typically required for backpacking in the Wind River Range, you should always adhere to standard wilderness regulations. Given its length and difficulty, many hikers choose to complete this loop as a multi-day backpacking trip, allowing more time to appreciate the remote wilderness.

This route offers a deep dive into the Bridger Wilderness and Popo Agie Wilderness, showcasing the raw beauty of the Wind River Range. The Cirque of the Towers is renowned among climbers and hikers alike for its impressive granite formations and remote, high-alpine environment. You will experience a true sense of solitude and wildness, making it a standout adventure for those seeking a profound connection with nature. This trail is a prime example of the rugged, untamed landscapes that define this part of Wyoming.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

Get Directions

1

1.19 km

Big Sandy River/Continental Divide Trail

Highlight • Trail

At this junction you are hiking close to the flowing Big Sandy River that is fed by Big Sandy Lake northeast of here. The iconic Continental Divide Trail passes here and offers long-distance hikers the option to hike an alternative route to the famous Cirque of the Towers.

Tip by

2

8.49 km

Big Sandy Lake

Highlight • Lake

Big Sandy Lake is a picturesque alpine lake that is fed by streams coming from Black Joe Lake, North Lake, Blue Lake and Clear Lake. It is the source for Big Sandy River.

Tip by

3

10.5 km

North Lake

Highlight • Lake

North Lake is a pristine alpine lake with stunning views of rising War Bonnet Peak and Dog Tooth Peak. It sits along the Continental Divide in the Wind River Range. Due to its beauty, it is a popular hike, so you might start a little early for more solitude.

Tip by

4

15.6 km

Cirque of the Towers

Highlight • Natural Monument

The Cirque of Towers is a unique formation in the Wind River Range in Wyoming. It is a basin surrounded by granite peaks. Best time to hike there is early fall, when snow has melted and mosquitos are gone. There is no permit needed for overnite stay in the wilderness, but you should be aware that this is black bear and grizzly bear country. So you might bring a bear repellant and make sure to store your food and toiletries appropriately.

Tip by

5

28.5 km

Dads Lake

Highlight • Lake

Dads Lake provides true wilderness feeling and perfect alpine scenery. Back in the distance you can see the majestic peaks of the Cirque of the Towers. The iconic Continental Divide Trail passes Dads Lake on its way from Mexico to Canada.

Tip by

6

29.6 km

Mirror Lake

Highlight • Lake

If you pass Mirror Lake, you hike along a section of the iconic 3,000-mile Continental Divide Trail. It is a nice place to take a break.

Tip by

B

36.6 km

End point

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Way Types & Surfaces

Way Types

32.6 km

3.59 km

343 m

Surfaces

20.1 km

16.4 km

< 100 m

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Elevation

Elevation

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Weather

Powered by Foreca

Thursday 21 May

2°C

-9°C

57 %

Additional weather tips

Max wind speed: 16.0 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 complete the Cirque of the Towers to Fremont Trail Loop?

This challenging loop is generally recommended as a multi-day backpacking trip, often taking 3 to 5 days to complete. While the hiking duration is around 11.5 hours, the total time needed accounts for camping, breaks, and navigating the rugged terrain.

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

The ideal time to hike the Cirque of the Towers to Fremont Trail Loop is typically from mid-July through September. During this period, trails are usually dry and free from snow, and the peak mosquito season has passed. However, be prepared for unpredictable mountain weather and potential afternoon thunderstorms.

Are permits required for the Cirque of the Towers to Fremont Trail Loop?

Permits are generally not required for backpacking in the Bridger Wilderness and Popo Agie Wilderness where this loop is located. However, standard wilderness regulations apply, such as camping a certain distance from lakes and streams, and practicing Leave No Trace principles. There are no entrance fees for these wilderness areas.

Is the Cirque of the Towers to Fremont Trail Loop dog-friendly?

Yes, dogs are generally allowed on this trail within the Bridger Wilderness and Popo Agie Wilderness. However, they must be kept under control, and it's always best to check specific regulations regarding leashes and waste disposal to ensure a responsible visit.

Where can I park to access the Cirque of the Towers to Fremont Trail Loop?

The primary access point for this loop is the Big Sandy Trailhead. This trailhead offers parking, but it can fill up quickly, especially during peak season. Arriving early is recommended to secure a spot.

What are the main scenic highlights along the route?

The loop offers consistently breathtaking views. Key highlights include the iconic Cirque of the Towers with its dramatic granite spires, and numerous pristine alpine lakes such as Big Sandy Lake, North Lake, Dads Lake, and Mirror Lake. You'll also traverse expansive meadows and forests.

Are there any particularly challenging sections or strategic tips for hiking the loop?

Yes, the trail is considered strenuous in parts. Hiking the loop clockwise is often recommended, as it involves a steeper but shorter ascent to Texas Pass from Barren and Texas Lakes. Key challenging sections include Texas Pass, which is notably steep and can involve rock scrambling, and Jackass Pass, which involves an uphill climb and talus fields. The trail can also be very rocky after descending Texas Pass, and around Arrowhead Lake.

What kind of wildlife might I encounter on the trail?

The trail traverses grizzly country, so hikers should be bear-aware and carry bear spray. You might also spot diverse wildlife such as moose, elk, mule deer, and various bird species in the varied ecosystems of the Wind River Range.

Does the route intersect with other notable trails?

Yes, the route incorporates sections of several well-known paths, including the CDT hfqCT Cirque of the Towers Route, the Fremont Trail, the Hailey Pass Trail, and the CDT - Wyoming Section.

Is there water available along the trail?

Yes, the trail passes numerous alpine lakes and streams, providing opportunities for water collection. However, all water should be filtered or treated before consumption to prevent illness.

What should I pack for a multi-day hike on this loop?

For a multi-day hike, essential gear includes a sturdy backpack, tent, sleeping bag, cooking equipment, sufficient food, a water filter/purifier, navigation tools (map, compass, GPS), appropriate layers for varied mountain weather, rain gear, bear spray, and a first-aid kit. Trekking poles are highly recommended for the steep and rocky sections.

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Cirque of the Towers to Fremont Trail Loop

11:26h

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1,080m

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