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Highline Trailhead Loop - Naturalist, Four Lakes and Grandaddy Basins route map
Difficulty: ExpertLoop

Highline Trailhead Loop - Naturalist, Four Lakes and Grandaddy Basins

Kamas, Utah

33.6 mi

Distance

5,253 ft

Elev. Gain

13h 30m

Est. Time

Loop

Route Type

Expert

Difficulty

About This Trail

We don't publish a description for Highline Trailhead Loop - Naturalist, Four Lakes and Grandaddy Basins unless we can point you at the agency it came from. We don't have one yet. The planning figures above — distance, elevation gain, estimated time, route type — come from the source listed on this trail.

United States Forest Service manages this trail and is the authority for conditions, closures and route notes. See official sources below. Spot something we should add?

Trail Conditions

Trail Conditions

Unknown

We have no current condition data for this trail. Check with the operator before you go, and submit a report below if you've been recently.

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Elevation Profile

Min:3,026 ft
Max:3,332 ft
Gain:1,601 ft
Loss:1,601 ft
Elevation profileA line rising and falling between 3,026 ft and 3,332 ft across 33.6 mi along the route, drawn from start to end.3,026 ft3,128 ft3,230 ft3,332 ft0.0 mi8.4 mi16.8 mi25.2 mi33.6 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi3,162 ft
High point27.1 mi3,332 ft
End33.6 mi3,162 ft

Trail Details

Route Type
Loop

Official sources & verification

Managed by United States Forest Service

Verify before you go

Managing agency

Where it is

Nearest town:
Samak, UT · about 20 mi away
County:
Summit County, UT
Jurisdiction:
Wasatch National Forest · United States Forest Service

Nearest town and county from U.S. Census Bureau place records and county boundaries.

We display cached information from agency feeds. Hours, fees, permits, closures, fire restrictions, and conditions change without notice. Outdoors is not the permitting authority. Confirm current conditions for this trail using the links above before you go — you are responsible for compliance. Last verified by us: May 23, 2026. Our copy is more than a month old — please reconfirm with the agency before relying on it.Spot an error in our data?

Reviews

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Legacy import — verify before navigating

Path geometry came from our pre-launch legacy database. Routes have not yet been re-verified against the operator and may differ from the actual trail.

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