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B+Outdoors
Outdoors in One Loudoun

Virtually every resident lives within a half mile of a park in One Loudoun

Virtually every resident lives within a half mile of a park. 1.4 miles of mapped trail cross One Loudoun, 2.2 per square mile of land. The biggest trail networks: One Loudoun Central Park (1.2 mi).

Ahead of 67% of U.S. towns · #118 of 253 in Virginia. What drives it

Conserved land
under 1%
0 acres · of 0.6 sq mi of land
Trails
1.4 mi
2.2 per sq mi of land
Park land
34 ac
10 acres per 1,000 residents
Near a park
99%+
of residents within ½ mile

What kind of outdoors town is One Loudoun?

Read from the map. The page puts what stands out first.

Outdoors grade

How much outdoors does One Loudoun have?

On conserved land, trails, park land and how close residents live to a park, One Loudoun is ahead of 67% of U.S. towns, #118 of 253 in Virginia. The share of residents near a park holds the grade up; conserved land pulls it down.

B+
OutdoorsA character grade: shown, never part of One Loudoun’s overall grade.
All U.S. towns we grade (21,298)Ahead of 67%
LessMore
Virginia towns of 2,500+ (253)Ahead of 54%
How sure. Graded on any three of the four inputs instead, the letter would range from B− to A. Trails and many small parks come from OpenStreetMap, mapped by volunteers, so coverage varies from town to town; the half mile is a straight line from each census block, so a river or highway in the way isn’t counted against it.

PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →

The map

Conserved land, trails & bike routes

Tap a number to zoom to a park. Tap a layer to hide it.

1
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk

Pick a walk

The longest trail network is One Loudoun Central Park, with 1.2 miles. Directions go to the nearest trailhead or public parking.

One Loudoun Central Park

Park
34 acres1.2 mi of trail
Dog rules not recorded
Directionsto the parking lot
Things to do

6 places to go in One Loudoun

Beaches, playgrounds, peaks, falls and more. Pick a kind.

Playgrounds in One Loudoun

6 playgrounds without a name on the map. Tap “Show all on map” to see them.

Biking & sports

0.0 miles of bike routes

Bike lanes are often missing from the map in smaller towns, so that number is likely low.

Courts & fields
3Tennis
1Volleyball
1Baseball
1Basketball
1Soccer

Includes school and college facilities, which aren’t always open to the public.

When to get out

The best walking months in One Loudoun: April and August

NOAA’s 1991–2020 normals for the town and the daylight at its latitude. Outlined months have long days, highs of 59 to 86 °F and little rain for the place.

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)9.710.711.813.214.314.914.613.712.411.110.09.4
High (°F)434655677583888679685646
Rain (in)3.02.53.63.34.34.34.23.44.13.63.03.4

February is the driest month (2.5 in) and July the warmest (highs of 88 °F). 4.3 inches fall in May, the wettest month. Summer highs reach 88 °F, too hot for the outline. The climate in One Loudoun →

Next door

One Loudoun and its neighbors

One Loudoun has the second most mapped trails of the 2 towns around it. Tap a town to see its outdoors.

TownConserved
of land
Trail mi
per sq mi
Park acres
per 1,000
Near a park
½ mile
Outdoors
One Loudoununder 1%2.21099%+B+
Ashburn3%0.6864%B−

The four inputs of the Outdoors grade, from the engine; shares are of land, not water.

Questions about parks and trails in One Loudoun

Where can I hike in One Loudoun?

The longest trail networks: One Loudoun Central Park, 1.2 miles. Each one is on the map above, with directions to the nearest trailhead or parking.

How much of One Loudoun is conserved land?

under 1% of its land, against a typical 4% for a Virginia town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.

Are dogs allowed on One Loudoun’s trails?

One Loudoun Central Park doesn’t have dog rules recorded on the map; check the signs at the trailhead.

Is there public land near One Loudoun?

10,233 acres of parks and open public land lie inside One Loudoun or within 10 miles of it (PAD-US), 34 of them inside the town line.

How much outdoors does One Loudoun have?

Ahead of 67% of U.S. towns on the Outdoors grade, #118 of 253 in Virginia. The grade combines the share of land that is conserved, miles of mapped trail per square mile of land, park acres per 1,000 residents and the share of residents within a half mile of a park. It’s a character grade, so it isn’t part of the overall grade. How it works.

Trail talk

Conditions, parking and favorite walks from One Loudoun neighbors.

Town Square →
Share a tip
Sources

Where this page comes from

Conserved and public land: USGS Protected Areas Database of the United States (PAD-US), service updated July 2026. Parks, trails, playgrounds, beaches and other places: OpenStreetMap (© OpenStreetMap contributors, ODbL), map data as of 2026-10-28. Land and water area: Census 2025 Gazetteer. Residents near a park: 2020 Census blocks. National Register: National Park Service. How TownRatings grades the outdoors →