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Rockburn and Three Sisters Trail Loop route map
Difficulty: ModerateLoop

Rockburn and Three Sisters Trail Loop

Ellicott City, Maryland

4.4 mi

Distance

758 ft

Elev. Gain

1h 43m

Est. Time

Loop

Route Type

Moderate

Difficulty

About This Trail

Rockburn and Three Sisters Trail Loop is a loop trail in Patapsco Valley State Park, managed by the Maryland Department of Natural Resources, Maryland Park Service, in Howard County, Maryland. It is 4.4 miles long and gains 758 feet. It is in or next to Ilchester, Maryland.

From the trail data on this page. For conditions and closures, see official sources.

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:31 ft
Max:120 ft
Gain:231 ft
Loss:231 ft
Elevation profileA line rising and falling between 31 ft and 120 ft across 4.4 mi along the route, drawn from start to end.31 ft61 ft90 ft120 ft0.0 mi1.1 mi2.2 mi3.3 mi4.4 mi

Elevation at the labelled points along this route
PointDistance from startElevation
Start0.0 mi35 ft
High point3.1 mi120 ft
End4.4 mi35 ft

Trail Details

Route Type
Loop

Official sources & verification

Managed by Maryland Department of Natural Resources, Maryland Park Service

Verify before you go

Source of truth

Where it is

Nearest town:
Ilchester, MD · in or next to town
County:
Howard County, MD
Jurisdiction:
Patapsco Valley State Park · Maryland Department of Natural Resources, Maryland Park Service

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

Verify by phone or mail

  • Operator:(410) 461-5005
  • Address:8020 Baltimore National Pike, Ellicott City, MD 21043 · MD
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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