Green Valley has 86 acres of parks, 6.3 for every 1,000 residents
19% of residents live within a half mile of a park. 3.1 miles of mapped trail cross Green Valley, 0.2 per square mile of land. 3% of Green Valley’s land is conserved, about 315 acres.
Ahead of 27% of U.S. towns · #246 of 261 in Maryland. What drives it
How much outdoors does Green Valley have?
On conserved land, trails, park land and how close residents live to a park, Green Valley is ahead of 27% of U.S. towns, #246 of 261 in Maryland. All four inputs are below most U.S. towns; conserved land comes closest.
Maryland towns conserve more land than most (a typical one, 9%; the U.S., 4%), so Green Valley’s 3% is ahead of 12% of Maryland towns, while its trails per square mile lead 19% of them.
PAD-US, OpenStreetMap (© OpenStreetMap contributors), Census 2025 Gazetteer and 2020 blocks; details in Sources below. How TownRatings grades the outdoors →
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Pick a walk
Directions go to the nearest trailhead or public parking.
315 conserved acres
3% of Green Valley’s land. Who manages Green Valley’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 230 acres are conservation easements, usually private land. Public access isn’t recorded for 26 of 78 parcels. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Rattlewood Golf Course Private Other or Unknown | Not recorded | 72 | Unknown |
| Fahrney Branch Stream Valley Park Local Park | County | 13 | Open |
5 places to go in Green Valley
Beaches, playgrounds, peaks, falls and more. Pick a kind.
1 public pool without a name on the map. Tap “Show all on map” to see it.
4 playgrounds without a name on the map. Tap “Show all on map” to see them.
1 named trail and 1 lakes & rivers
0.0 miles of bike routes
Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Includes school and college facilities, which aren’t always open to the public.
The best walking months in Green Valley: 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 9.7 | 10.7 | 11.8 | 13.2 | 14.3 | 14.9 | 14.7 | 13.7 | 12.4 | 11.1 | 10.0 | 9.4 |
| High (°F) | 41 | 44 | 53 | 65 | 74 | 81 | 86 | 83 | 77 | 66 | 54 | 44 |
| Rain (in) | 3.1 | 2.7 | 4.0 | 3.6 | 4.3 | 4.4 | 4.5 | 3.5 | 4.6 | 3.8 | 3.2 | 3.6 |
February is the driest month (2.7 in) and July the warmest (highs of 86 °F). 4.6 inches fall in September, the wettest month. The climate in Green Valley →
Green Valley and its neighbors
Green Valley has the most mapped trails of the 3 towns around it. Tap a town to see its outdoors.
Questions about parks and trails in Green Valley
How much of Green Valley is conserved land?
3% of its land, against a typical 9% for a Maryland town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Green Valley’s trails?
Kemptown Community Park doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Green Valley?
10,987 acres of parks and open public land lie inside Green Valley or within 10 miles of it (PAD-US), 86 of them inside the town line.
How much outdoors does Green Valley have?
Ahead of 27% of U.S. towns on the Outdoors grade, #246 of 261 in Maryland. 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 Green Valley neighbors.
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 →