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United States
Virginia
Fairfax County

Bull Run Occoquan Trail Loop

Moderate

4.5

(3400)

17,696

runners

Bull Run Occoquan Trail Loop

00:37

5.09km

70m

Running

Bull Run Occoquan Trail Loop is a moderate 3.2-mile jogging route in Hemlock Overlook Regional Park with forest and reservoir views.

Last updated: February 26, 2026

Waypoints

A

Start point

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1

211 m

Fallen tree at Hemlock Overlook Regional Park

Highlight • Natural Monument

Hemlock Overlook Regional Park is a hilly 400-acre park in Virginia. A lot of the views and historical features are found along the hiking trails, which are a mixture of paved paths and singletrack trails.

Tip by

2

1.40 km

Bull Run Occoquan Trail section

Highlight (Segment) • Trail

Hiking on the Hemlock Overlook Regional Park trails means walking through wooded areas and alongside the course of the river: a beautiful experience!

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B

5.09 km

End point

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Way Types & Surfaces

Way Types

3.49 km

1.04 km

567 m

< 100 m

Surfaces

2.89 km

1.45 km

473 m

199 m

< 100 m

< 100 m

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Elevation

Elevation
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Weather

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Sunday 8 November

18°C

4°C

-- %

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This route was planned by komoot.

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Frequently Asked Questions

Where can I park to access the Bull Run Occoquan Trail Loop?

You can typically find parking at Hemlock Overlook Regional Park, which is a key access point for this loop. The trail connects several regional parks, so other parking options might be available depending on which section of the broader Bull Run Occoquan Trail you wish to access.

Is the Bull Run Occoquan Trail Loop dog-friendly?

Yes, the trail is generally dog-friendly. However, it's always best to check specific park regulations for Hemlock Overlook Regional Park regarding leash requirements and waste disposal to ensure a pleasant experience for everyone.

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

The trail offers beautiful scenery year-round. Spring and fall are particularly pleasant due to milder temperatures and vibrant foliage. Be aware that after rainfall, sections of the natural surface trail can become quite muddy, though boardwalks help in some wetter areas.

Are there any entrance fees or permits required for Hemlock Overlook Regional Park?

Generally, there are no entrance fees for Hemlock Overlook Regional Park itself for day use. However, it's always a good idea to check the official NOVA Parks website for any updated regulations or specific event-related fees.

What is the terrain like on this jogging route?

This loop features a mostly natural surface, primarily dirt and gravel. You'll encounter sections with rocky tread, numerous roots, and some areas that can get muddy after rain. There are also boardwalks, like the Hemlock Pond Boardwalk, and various bridges, including unique tree trunk bridges.

Is this jogging loop suitable for beginners?

While the specific loop is about 5 km and rated 'moderate', the broader Bull Run Occoquan Trail is known for 'a good amount of ups and downs' with 'lots of short, steep hills'. Beginners should be prepared for varying inclines and declines, which can feel like an interval workout.

What natural features and landmarks can I see along the way?

You'll jog through scenic woodlands with diverse trees like hemlock, beech, and oak. The route offers waterfront views of the Occoquan Reservoir and Bull Run. A notable point of interest on this loop is the Fallen tree at Hemlock Overlook Regional Park, and you'll experience a section of the main Bull Run Occoquan Trail.

What kind of wildlife might I encounter while jogging?

The trail is a sanctuary for abundant wildlife. You might spot whitetail deer, raccoons, beavers, and turkeys. Birdwatchers can look out for bald eagles, red-tailed hawks, and great blue herons, especially near the water.

Does this route connect with other trails?

Yes, this loop is part of a larger network. It utilizes sections of the Bull Run Occoquan Trail, and also intersects with paths like the Union Mills Trail, Horseshoe "Red" Trail, and the Hemlock Pond Boardwalk.

Are there any specific sections to be aware of, especially after rain?

Yes, be mindful that many sections of the natural surface trail can become quite muddy after rainfall due to roots and dirt. Near the Bull Run trailhead, there's over a mile of boardwalk which helps in wetter conditions, but elsewhere, careful footing is advised.

Is this a loop trail?

Yes, as the name suggests, this specific route is designed as a loop, bringing you back to your starting point at Hemlock Overlook Regional Park.

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