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Routes
Hiking trails & Routes
United States
Wyoming
Sublette County

Green River Lakes Loop

Moderate

4.7

(3800)

5,918

hikers

Green River Lakes Loop

03:11

12.1km

110m

Hiking

Embark on the Green River Lakes Loop, a moderate hiking route that guides you through a stunning glacially carved valley. This 7.5-mile (12.1 km) journey offers diverse terrain, from dense spruce-pine forests to open grasslands and vibrant emerald meadows alongside the Green River. You will gain 371 feet (113 metres) in elevation, and the entire loop typically takes around 3 hours and 11 minutes to complete. The majestic Squaretop Mountain provides a constant, iconic backdrop as you explore the shores of both Lower and Upper Green River Lakes.

Before you head out, be aware that the access road to the trailhead is a roughly 20-mile stretch of dirt road with potholes, so allow extra time for travel. Mosquitos can be quite persistent, especially during certain seasons, so remember to pack bug spray. Since you will be hiking in grizzly and black bear country, carrying bear spray is a wise precaution for your safety. This trail is generally considered suitable for families, making it a great option for many visitors.

This loop is a prime example of the natural beauty found within the Bridger-Teton National Forest, showcasing the dramatic granite walls of the Wind River Mountains. Keep an eye out for local wildlife, such as moose and deer, which are often spotted along the route. Depending on the time of year, you might also be treated to a vibrant display of wildflowers. The trail's unique setting, with its towering peaks and pristine lakes, makes it a truly memorable outdoor experience.

Last updated: April 23, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bridger Wilderness

Bridger-Teton National Forest

Waypoints

A

Start point

Parking

Get Directions

1

257 m

Lower Green River Lake

Highlight • Lake

Lower Green River Lake is fed by the crystal-clear Green River and offers a picture perfect alpine scenery. You can hike a loop around the whole lake to enjoy its beauty from all angles.

Tip by

2

663 m

Green River

Highlight • River

The Green River meanders beautifully through the landscape. There is a bridge to cross it and to keep your feet dry. A little further in the distance you can see the Osborn Cabins which were part of a homestead from the early 1900s and later used as ranch buildings.

Tip by

3

6.33 km

Upper Green River Lake

Highlight • Lake

The view over Upper Green River Lake is breathtaking with Square Top Mountain just towering at the southern end of this pristine lake.

Tip by

B

12.1 km

End point

Parking

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Way Types & Surfaces

Way Types

11.8 km

231 m

< 100 m

Surfaces

8.92 km

3.15 km

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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Weather

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Friday 22 May

8°C

-6°C

0 %

Additional weather tips

Max wind speed: 4.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the overall difficulty and terrain like on the Green River Lakes Loop?

The Green River Lakes Loop is generally considered a moderate hike, suitable for a wide range of hikers and often recommended for families. The terrain is diverse, traversing a glacially carved valley with impressive granite walls, spruce-pine forests, grasslands, and sage-covered slopes. You'll encounter some ups and downs, particularly on the Lakeside Trail, which can also involve low bushes, tall grasses, and muddy conditions after rain.

What kind of scenery and viewpoints can I expect along the Green River Lakes Loop?

This trail is renowned for its stunning, photogenic views. You'll be treated to breathtaking vistas of the encompassing granite Wind River Mountains, the Lower Green River Lake, Upper Green River Lake, and the majestic Squaretop Mountain. The Green River meanders through emerald meadows, and you'll pass by the White Rock cliffs. The Highline Trail section offers expansive views, while the Lakeside Trail provides a more forested experience.

What wildlife might I encounter on the Green River Lakes Loop?

The area provides good opportunities for spotting local wildlife. Hikers may see moose, pronghorn, deer, and elk. Remember that this is also grizzly and black bear country, so it's important to be bear aware and carry bear spray.

What is the best time of year to hike the Green River Lakes Loop?

The best time to hike this loop is typically during the summer and early fall months when the snow has melted and the weather is most favorable. During this period, you can also enjoy blossoming wildflowers and lush vegetation. Be prepared for potential mosquitos, especially after rainfall.

How do I get to the trailhead and is there parking available?

The trailhead for the Green River Lakes Loop is accessible via a dirt road. While generally well-maintained, this access road is about 20 miles long and can have potholes, so allow significant time for travel. There is parking available at the trailhead.

Do I need a permit or pay an entrance fee for this trail in Bridger-Teton National Forest?

The Green River Lakes Loop enters the Bridger Wilderness within the Bridger-Teton National Forest. Generally, day hiking in the Bridger-Teton National Forest does not require a permit or entrance fee. However, it's always a good idea to check the official US Forest Service website for the most current regulations, especially if you plan on overnight camping.

Is the Green River Lakes Loop dog-friendly?

Yes, the Green River Lakes Loop is generally dog-friendly. However, as it's within the Bridger Wilderness, dogs must be kept under control, and it's always best practice to keep them on a leash to protect wildlife and ensure a pleasant experience for all hikers. Please remember to pack out all pet waste.

What essential gear should I bring for this hike?

Given the trail's environment, you should come prepared with bug spray, as mosquitos can be relentless. Since you'll be in grizzly and black bear country, carrying bear spray is highly recommended. Always bring plenty of water, appropriate layers for changing weather, and navigation tools.

Does the Green River Lakes Loop connect with other trails?

Yes, the route incorporates sections of several other trails. You will hike along parts of the CDT - Wyoming Section, the Lakeside Trail, and the Highline Trail / Continental Divide. There are also segments of the Green River/Highline Connector and Clear Creek Trail.

Are there any historical points of interest along the way?

Yes, as you hike the Green River Lakes Loop, you'll pass by the old cabins of the historic Osborn homestead, offering a glimpse into the area's past.

Is the Green River Lakes Loop a true loop trail?

Yes, the Green River Lakes Loop is a true loop trail, circling around the Lower Green River Lake. The full loop is approximately 6.5 to 7 miles, offering a continuous journey through the diverse landscape.

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