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Road cycling routes
United States
Maryland
Howard County
Columbia

Simpsonville Mill Ruins – Middle Patuxent River loop from Clarksville

Routes
Road cycling routes
United States
Maryland
Howard County
Columbia

Simpsonville Mill Ruins – Middle Patuxent River loop from Clarksville

Moderate

3.0

(16)

29

riders

Simpsonville Mill Ruins – Middle Patuxent River loop from Clarksville

01:30

32.6km

320m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: May 1, 2026

Waypoints

A

Start point

Bus stop

Get Directions

1

1.13 km

River Hill

Highlight • Summit

Watch out for cars speeding behind you on curved roads.

Tip by

2

6.00 km

Simpsonville Mill Ruins

Highlight • Historical Site

The Simpsonville Mill is a historical pre-colonial mill complex in the form of stone ruins which are located under the Cedar lane bridge that goes over the Middle Patuxent River. …

Tip by

3

12.6 km

Nice pedestrian bridge over the Little Patuxent River. It is popular with cyclists and walkers, so make sure you look out for other trail users.

Tip by

4

16.2 km

Middle Patuxent River

Highlight • River

Both Gorman Stream Valley Natural Resource Area and Sweet Hours Park offer access down to the Middle Patuxent River. There are multiple hiking paths that get right up next to …

Tip by

B

32.6 km

End point

Bus stop

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Way Types & Surfaces

Way Types

16.9 km

14.1 km

1.59 km

< 100 m

< 100 m

< 100 m

Surfaces

29.7 km

2.56 km

214 m

134 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (150 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Today

Sunday 12 July

28°C

19°C

85 %

Additional weather tips

Max wind speed: 15.0 km/h

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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