Mason Neck National Wildlife Refuge is a protected area in Northern Virginia, established to conserve critical habitat for bald eagles and other wildlife. The refuge encompasses approximately 2,000 acres of mature hardwood forest, featuring oak-hickory woodlands and nearly six miles of shoreline along the Potomac River. A significant natural feature is the Great Marsh, the largest freshwater marsh in Northern Virginia, spanning 207 acres. These diverse landscapes provide varied terrain suitable for several sports like hiking, touring cycling, jogging, and…
54
Routes
4.4
(58)
Average rating
652
People visited

5.0
(1)
22
hikers
10.8km
02:45
30m
30m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

4.3
(3)
10
hikers
5.71km
01:31
50m
50m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

2.23km
00:34
0m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

2.56km
00:42
40m
40m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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4.7
(3)
53
riders
6.78km
00:35
60m
60m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

5.0
(22)
83
riders
16.1km
01:16
180m
180m
Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

5
riders
5.08km
00:26
40m
40m
Hard mountain bike ride. Great for any fitness level. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

5.0
(6)
45
riders
41.7km
02:27
110m
110m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.0
(2)
22
riders
21.7km
01:16
80m
80m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

5.0
(1)
5
riders
39.0km
02:23
350m
350m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

2
riders
19.1km
01:10
90m
90m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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12
riders
60.5km
02:53
490m
480m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

3
riders
53.4km
02:22
360m
360m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

21
riders
26.5km
01:09
180m
180m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

15
riders
39.4km
02:00
350m
350m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
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3
runners
4.97km
00:36
10m
10m
Easy run. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

6.12km
00:41
10m
10m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

5.18km
00:37
50m
50m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

10
runners
5.30km
00:33
20m
20m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Mason Neck National Wildlife Refuge offers opportunities for hiking, touring cycling, jogging, and road cycling. The refuge features diverse landscapes, including mature hardwood forests and the Great Marsh, providing varied terrain for these activities. More than 2,000 visitors have rated routes in this area with an average of 4.65 out of 5 stars.
The Woodmarsh Trail is a 3-mile (4.8 km) loop through hardwood forest and along a marsh. The Joseph V. Gartlan Jr. Great Marsh Trail is a 0.75-mile (1.2 km) paved, accessible trail leading to an observation platform. Further details on hiking options are available in the Hiking in Mason Neck National Wildlife Refuge guide.
Yes, the Joseph V. Gartlan Jr. Great Marsh Trail is a 0.75-mile (1.2 km) paved and fully accessible trail. It offers an easy walk to an observation platform overlooking the Great Marsh. For more options, consult the Easy hikes in Mason Neck National Wildlife Refuge guide.
Biking is permitted on the Woodmarsh Trail within the refuge. The broader Mason Neck area also features routes like the "Mason Neck and Meadowood Loop" (13.5 miles / 21.7 km) and the "Indian Head Rail Trail" (25.9 miles / 41.7 km or 34 miles / 54.7 km). Information on cycling can be found in the Cycling in Mason Neck National Wildlife Refuge guide.
The refuge is a critical habitat for bald eagles and supports hundreds of other bird species, including osprey and various waterfowl. It hosts one of Virginia's largest great blue heron breeding colonies. Additionally, 31 mammal species, 40 species of reptiles and amphibians, and over 200 plant species reside within the refuge.
The Joseph V. Gartlan Jr. Great Marsh Trail is a paved, accessible option suitable for families, offering wildlife observation opportunities. The refuge's focus on conservation provides a natural setting for connecting with nature. For more family-oriented options, refer to the Family-friendly hikes in Mason Neck National Wildlife Refuge guide.
Regulations regarding pets, including dogs, can vary within national wildlife refuges. Visitors should consult the official U.S. Fish & Wildlife Service website or contact the refuge directly for current pet policies. A Dog-friendly hikes in Mason Neck National Wildlife Refuge guide is also available.
Established in 1969, Mason Neck National Wildlife Refuge was the nation's first refuge created specifically to protect bald eagle habitat. It conserves approximately 2,000 acres of mature hardwood forest and the 207-acre Great Marsh. This conservation effort supports a thriving ecosystem for eagles and numerous other wildlife species.
The official website for the refuge is fws.gov/refuge/elizabeth-hartwell-mason-neck. The official phone number for Mason Neck National Wildlife Refuge is (703) 490-4979.
Mason Neck National Wildlife Refuge is a popular destination on komoot, with more than 2,900 visitors sharing their experiences. The routes in the area have received an average rating of 4.65 out of 5 stars from over 200 ratings. This indicates a high level of satisfaction among outdoor enthusiasts.
Yes, the refuge offers trails suitable for jogging. The Woodmarsh Trail and the Joseph V. Gartlan Jr. Great Marsh Trail are both options for runners. More information can be found in the Running Trails in Mason Neck National Wildlife Refuge guide.
Trails like the Woodmarsh Trail feature compacted soil and gravel, winding through hardwood forests and along marshlands. Portions may include slight inclines or muddy sections after rain. The Joseph V. Gartlan Jr. Great Marsh Trail is paved and generally flat, offering an accessible surface.

