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Routes
Road cycling routes
United States
Maryland
Howard County
Columbia

Roadbike loop from Clarksville

Moderate

4.7

(9719)

13,671

riders

Roadbike loop from Clarksville

02:00

44.3km

410m

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: July 8, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Patuxent River State Park

Waypoints

A

Start point

Bus stop

Get Directions

1

6.35 km

Brighton Dam and Triadelphia Reservoir

Highlight • Lake

Built in 1943, Brighton Dam allowed the formation of Triadelphia Reservoir. The lake holds an incredible amount of water – 6.3 billion gallons to be precise!

Around the dam and reservoir, you can enjoying hiking, picnicking, horseback riding, boating, fishing and hunting (permit required).

Tip by

2

6.59 km

The Brighton Azalea Garden is home to over 22,000 azalea bushes over 5 acres in a hardwood forest. Established in 1959, the garden is home to Montgomery County’s champion fringe tree; kousa dogwood trees were added in the 1990s. Features a gazebo for a picnic beside the reservoir.

Tip by

B

44.3 km

End point

Bus stop

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Way Types & Surfaces

Way Types

34.9 km

9.06 km

327 m

< 100 m

Surfaces

40.5 km

3.66 km

194 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 (190 m)

Lowest point (110 m)

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Weather

Powered by Foreca

Today

Tuesday 14 July

33°C

19°C

0 %

Additional weather tips

Max wind speed: 10.0 km/h

to get more detailed weather forecasts along your route

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