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Centennial, George S. Michelson and Deerfield Trail Loop route map
Difficulty: DifficultLoop

Centennial, George S. Michelson and Deerfield Trail Loop

Rapid City, South Dakota

125.4 mi

Distance

16,880 ft

Elev. Gain

48h 20m

Est. Time

Loop

Route Type

Difficult

Difficulty

About This Trail

Centennial, George S. Michelson and Deerfield Trail Loop is a loop trail in Pennington County, South Dakota. It is 125 miles long. The nearest town is Johnson Siding, South Dakota, about 4 miles away in a straight line.

From the trail data on this page.

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:1,047 ft
Max:1,906 ft
Gain:5,145 ft
Loss:5,145 ft
Elevation profileA line rising and falling between 1,047 ft and 1,906 ft across 125.3 mi along the route, drawn from start to end.1,047 ft1,333 ft1,620 ft1,906 ft0.0 mi31.3 mi62.7 mi94.0 mi125.3 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi1,539 ft
High point81.4 mi1,906 ft
End125.3 mi1,539 ft

Trail Details

Route Type
Loop

Official sources & verification

Verify before you go

Where it is

Nearest town:
Johnson Siding, SD · about 4 mi away
County:
Pennington County, SD

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?

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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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