10% of Glassmanor’s land is conserved, and virtually every resident lives within a half mile of a park
Virtually every resident lives within a half mile of a park. 10% of Glassmanor’s land is conserved, about 141 acres. 56 acres are parks and preserves, 3.3 per 1,000 residents.
Ahead of 68% of U.S. towns · #139 of 261 in Maryland. What drives it
What kind of outdoors town is Glassmanor?
Read from the map. The page puts what stands out first.
How much outdoors does Glassmanor have?
On conserved land, trails, park land and how close residents live to a park, Glassmanor is ahead of 68% of U.S. towns, #139 of 261 in Maryland. The share of residents near a park holds the grade up; park acres per resident pull it down.
Maryland towns conserve more land than most (a typical one, 9%; the U.S., 4%), so Glassmanor’s 10% is ahead of 53% of Maryland towns, while its trails per square mile lead 30% 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.
141 conserved acres
10% of Glassmanor’s land. Who manages Glassmanor’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 11 acres are conservation easements, usually private land. Public access isn’t recorded for 8 of 17 parcels. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Glassmanor Park State Other or Unknown | Not recorded | 78 | Unknown |
| Barnaby Run Stream Valley Park State Other or Unknown | Not recorded | 20 | Unknown |
| Owens Road Neighborhood Park Local Park | Other or Unknown Local Government | 11 | Open |
| Azalea Acres Park Local Park | Other or Unknown Local Government | 11 | Open |
| Forest Heights Neighborhood Park Local Park | Other or Unknown Local Government | 8 | Open |
| Barnaby Run Estates Park Local Park | Regional agency | 2 | Open |
5 places to go in Glassmanor
Beaches, playgrounds, peaks, falls and more. Pick a kind.
5 playgrounds without a name on the map. Tap “Show all on map” to see them.
0.4 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 Glassmanor: April to June
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 | 14.6 | 13.7 | 12.4 | 11.1 | 10.0 | 9.5 |
| High (°F) | 44 | 47 | 56 | 67 | 76 | 84 | 88 | 86 | 80 | 69 | 57 | 48 |
| Rain (in) | 3.0 | 2.7 | 3.8 | 3.4 | 4.1 | 4.3 | 4.6 | 3.9 | 4.4 | 3.8 | 3.1 | 3.7 |
February is the driest month (2.7 in) and July the warmest (highs of 88 °F). 4.6 inches fall in July, the wettest month. Summer highs reach 88 °F, too hot for the outline. The climate in Glassmanor →
Glassmanor and its neighbors
Tap a town to see its outdoors.
| Town | Conserved of land | Trail mi per sq mi | Park acres per 1,000 | Near a park ½ mile | Outdoors |
|---|---|---|---|---|---|
| Glassmanor | 10% | 0.3 | 3 | 99%+ | B+ |
| Forest Heights | 51% | 2.1 | 197 | 99%+ | A+ |
| Marlow Heights | 9% | under 0.1 | 17 | 90% | B |
| Hillcrest Heights | 13% | 0.4 | 5 | 99%+ | A− |
| Oxon Hill | 17% | 0.3 | 4 | 64% | B− |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Glassmanor
How much of Glassmanor is conserved land?
10% 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 Glassmanor’s trails?
Owens Road Park doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Glassmanor?
0.4 miles of bike routes are on the map: 0.4 of painted or protected lanes.
Is there public land near Glassmanor?
20,000 acres of parks and open public land lie inside Glassmanor or within 10 miles of it (PAD-US), 56 of them inside the town line.
How much outdoors does Glassmanor have?
Ahead of 68% of U.S. towns on the Outdoors grade, #139 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 Glassmanor 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 →