Near Trilobite Range Lollipop Loop
Trail 241 to Dean Lake
Near Trilobite Range Lollipop Loop
Trail 241 Switchbacks
Near Trilobite Range Lollipop Loop
Trail 241 Crest out
Near Trilobite Range Lollipop Loop
Dolly Varden Creek
Near Trilobite Range Lollipop Loop
View of Trilobite Lakes

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Driving Directions
Hike Route

Trilobite Range Lollipop Loop

5.0 (2 Ratings)
Backpack through thick pine forest, high passes, and alpine ridgeline views with river crossings and alpine lakes.
45.8
mi
Distance
8,839
ft
Gain
strenuous
Difficulty
LakeRiver/CreekViewsWildflowers

Route Details

Flatter
Steeper
45.78mi
Distance
8,839ft
Elevation Gain
8,839ft
Elevation Loss
50%
Max Grade
7,773ft
High Point
4,767ft
Low Point
Path Type
Loop
Description
Start at the Silvertip Trailhead in the Bob Marshall Wilderness Area. Use the Bob Marshall Wilderness Complex, North Half map. First day 9 miles in, following the Spotted Bear River #83 to Pentagon Cabin. Day two, north on trail Dolly Vardon Pentagon #173 following Pentagon Creek drainage, over an alpine pass down to the Dolly Varden Creek drainage about 8-9 miles to a meadow camp close to the creek, before the cutoff trail 686. Day three, continue on Dolly Vardon Pentagon #173 for about 5 miles to an outfitter's camp on the west side of the Dolly Varden Creek. Couple of great swimming holes in the area. Layover day with an option to hike to Schafer Airstrip. Day 5, go southeast on Chair Mountain Trilobites #241, a 2,000+-foot climb. Once up, alpine views everywhere, open meadows with wildflowers. Follow trail 686 to junction with trail 241 and follow trail 241 to Trilobite Lakes. Trilobite Lakes are beautiful alpine lakes. Day 6, follow trail 241 to Dean Lake. Another alpine lake, great for a swim. Great view of Pentagon Mountain. Day 7, follow trail 241 to Switchback Pass and take trail 177 back down to trail 173 to complete the loop, and back to Pentagon Cabin. The trail from cresting out on Chair Mountain to Switchback Pass is all at or above treeline, displaying beautiful alpine views.

Route Conditions

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Contributors
DAVID LOWE