Bighorn National Forest

Lost Twin Lakes Trail

Beginning Elevation: 9,100 Feet (2774 Meters)
Difficulty: Moderate
Elevation Gain: 1,200 Feet (366 Meters)
Ending Elevation: 10,300 Feet (3139 Meters)
Length: 7.0 Miles (11.3 Kilometers)
Recommended Season: Summer
Trail Number: #65
Usage: Moderate
USGS Maps: Lake Helen

TRAIL BEGINNING: 9,100 ft. West Tensleep Lake Trailhead.

TRAIL ENDING: 10,300 ft. Lost Twin Lakes.

ATTRACTIONS AND CONSIDERATIONS: The Lost Twin Lakes Trail is a good two day hike with some steep uphill climbs. The lakes and the surrounding area offers activities from photography to technical climbing. The cliffs rise 3000 feet vertically above the south edge of Lost Twin Lakes. Wildflowers are in bloom most of the summer at different elevations.

NARRATIVE: The Lost Twin Lakes Trail starts at West Tensleep Lake and winds up through lodgepole pine and grassy meadows. It is three miles to Mirror Lake. From Mirror Lake the trial follows Tensleep Creek above Timber line to Lost Twin Lakes.

Seasonal Information:
Recommended Season: July through September . Best months: July through September .


Directions from US Hwy. 16: Take US Hwy. 16 east of Ten Sleep, Wyoming, 18 miles. Turn left onto West Tensleep Lake Road Trail seven miles to the end at West Tensleep Trailhead.