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Routes
Hiking trails & Routes
United States
Virginia
Fairfax County
Fair Lakes

Rocky Run Stream Valley Trail

Moderate

2.8

(5)

58

hikers

Rocky Run Stream Valley Trail

04:52

18.9km

90m

Hiking

Hike the 11.7-mile Rocky Run Stream Valley Trail in Fairfax County, Virginia, a moderate route with stream views and abundant wildlife.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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7.13 km

Rocky Run

Lake

7.50 km

Rocky Run Valley Park

Forest

3

13.6 km

Rocky Run Stream Valley Trail

Highlight • Trail

B

18.9 km

End point

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Way Types & Surfaces

Way Types

16.6 km

1.14 km

856 m

222 m

Surfaces

6.71 km

6.04 km

5.64 km

169 m

165 m

125 m

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Elevation

Elevation

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

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Weather

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Today

Tuesday 26 May

24°C

18°C

57 %

Additional weather tips

Max wind speed: 8.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Rocky Run Stream Valley Trail?

The trail offers multiple entry points. A primary access point is through Ellanor C. Lawrence Park, which provides convenient parking. Other access points are available as it integrates into the wider county trail system, connecting to parks like Greenbriar and Poplar Tree Parks.

Is the Rocky Run Stream Valley Trail dog-friendly?

Yes, the trail is generally dog-friendly. However, it's always best to keep your dog on a leash and be mindful of other trail users and wildlife. Please remember to clean up after your pet.

What is the best time of year to hike this trail?

The trail is enjoyable year-round. After heavy rains, the area can lead to a clear lake, enhancing scenic views and wildlife observation. Spring and fall offer pleasant temperatures and vibrant foliage, while summer provides lush greenery. Be prepared for mosquitoes and ticks, especially in warmer months, and consider wading boots if exploring near the stream.

Are there any permits or fees required to hike the Rocky Run Stream Valley Trail or enter Ellanor C. Lawrence Park?

No, there are no permits or entrance fees required to hike the trail or to enter Ellanor C. Lawrence Park. It's freely accessible to the public.

What is the terrain like on the trail?

The terrain is generally easy and relatively flat, making it suitable for various skill levels. The surface varies, with sections of asphalt, stonedust, and gravel. The first mile from Ellanor C. Lawrence Park is paved, with the remainder being gravel. Stream crossings are managed by bridges, fairweather crossings, and paved swales.

How long does it take to hike the Rocky Run Stream Valley Trail?

The full route, as mapped on komoot, is approximately 18.9 km (11.7 miles) and typically takes around 4 hours and 50 minutes to complete. This duration can vary based on your pace and how often you stop to enjoy the scenery.

What kind of wildlife can I expect to see along the route?

The trail is known for its abundant wildlife, offering an urban oasis for nature observation. Common sightings include deer, fish, squirrels, and various bird species. Keep an eye out, especially near the Rocky Run Creek.

Does the trail connect to other paths or offer loop options?

Yes, the trail integrates into the countywide trail system. It connects Ellanor C. Lawrence Park to the Fairfax County Parkway Trail. The route also passes through sections of the Rock Run Trail, the Fairfax County Parkway Trail, and other segments of the Rocky Run Stream Valley Trail, offering possibilities for extensions or creating your own loops.

Is the trail suitable for families with children?

Absolutely. Its generally easy and relatively flat terrain, combined with varied surfaces and natural beauty, makes it suitable for hikers of all skill levels, including families. The opportunity to spot wildlife adds to the family-friendly appeal.

What are the most scenic sections of the trail?

The section within Ellanor C. Lawrence Park is particularly beautiful, offering tranquil views alongside the Rocky Run Creek. After heavy rains, the trail can lead to a clear lake, enhancing the scenic views. While some parts may pass near residential areas, the natural beauty of the stream valley and wooded sections are highlights.

What should I bring when hiking the Rocky Run Stream Valley Trail?

Given the varied terrain and potential for wildlife, consider bringing water, appropriate footwear for mixed surfaces, and insect repellent (especially for mosquitoes and ticks). If you plan to explore near the stream after rain, wading boots might be useful. Benches are available for rest stops.

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