Lost Twin Lakes Trail

This challenging and rewarding hike is located in the Cloud Peak Wilderness of Wyoming's Bighorn National Forest. It is distinct from a pathway of the same name in Michigan, offering a true alpine wilderness experience.

The trail begins with an ascent through an evergreen forest, then transitions to a varied landscape including quarter-mile descents, steep ¾-mile rises, and soggy meadows. You'll encounter multiple creek crossings, some with small waterfalls. As you near the lakes, the terrain becomes rockier with granite formations and steep slopes. Some sections can be muddy and willow-filled.

The route offers diverse scenery. You'll pass through evergreen forests, open up to stunning valleys with wildflowers, and cross creeks. Highlights include West Tensleep Lake, Middle Tensleep Creek, and Mirror Lake. The ultimate reward is the breathtaking view of the clear blue Lost Twin Lakes, nestled beneath towering granite peaks and cliffs.

Keep an eye out for marmots sunning themselves on rocks. In the cool morning air, you might also spot moose. The diverse environment supports various other alpine wildlife.

No, this trail is generally considered difficult due to its length (around 11-13 miles roundtrip) and significant elevation gain (2,000 to 3,145 feet). It includes numerous ups and downs and steady climbs, making it best suited for experienced hikers.

The primary access point for this trail is from the West Tensleep Trailhead. Parking information for this specific trailhead should be checked with the Bighorn National Forest service for current conditions and regulations.

As the trail is located within the Cloud Peak Wilderness of the Bighorn National Forest, specific regulations may apply. While there isn't typically an entrance fee for the Bighorn National Forest itself, wilderness areas often require self-issued permits for overnight stays or have specific group size limits. It's best to check the official Bighorn National Forest website or contact a ranger station for the most current permit requirements before your visit.

Yes, dogs are generally allowed on this trail. However, be aware that some rocky sections can be challenging, especially for less agile dogs. Always ensure your dog is on a leash and follow Leave No Trace principles, including packing out all waste.

Given its alpine environment, the best time to hike this trail is typically during the summer months (July to early September) when the snow has melted and wildflowers are in bloom. Always check current weather and trail conditions before heading out, as conditions can change rapidly in the mountains.

Yes, if you're looking for a shorter hike, you can turn around at Mirror Lake. This makes for a beautiful six-mile round trip. While continuing to the Lost Twin Lakes offers unparalleled views, Mirror Lake still provides a rewarding experience.

Yes, the route primarily follows Trail 065 (Lost Twin Lakes Trail) for its entirety. It also passes through sections of the Mistymoon Trail for about 13% of its length.