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United States
Maryland
Howard County
Columbia

River Hill – Simpsonville Mill Ruins loop from Clarksville

Routes
Road cycling routes
United States
Maryland
Howard County
Columbia

River Hill – Simpsonville Mill Ruins loop from Clarksville

Moderate

3.0

(8)

70

riders

River Hill – Simpsonville Mill Ruins loop from Clarksville

02:16

49.2km

430m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: October 9, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 22.8 km for 366 m

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

15.1 km

This playground is so big, you can see it from space. Or you can see it in Komoot Satellite View, anyway. About 80% of the equipment is fully accessible. A …

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4

23.0 km

5

24.9 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

B

49.2 km

End point

Bus stop

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Way Types & Surfaces

Way Types

30.1 km

11.5 km

3.94 km

3.28 km

440 m

< 100 m

Surfaces

44.9 km

3.64 km

468 m

232 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 (180 m)

Lowest point (70 m)

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Weather

Powered by Foreca

Today

Thursday 22 October

19°C

6°C

0 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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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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