Concord · Photo: Historic American Buildings Survey / Historic American Engineering Record · Public domain13% of Walker Mill’s land is conserved: 247 acres
2.7 miles of mapped trail cross Walker Mill, 0.9 per square mile of land. The biggest trail networks: Walker Mill Regional Park (1.8 mi). 81% of residents live within a half mile of a park.
Ahead of 70% of U.S. towns · #128 of 261 in Maryland. What drives it
What kind of outdoors town is Walker Mill?
Read from the map. The page puts what stands out first.
How much outdoors does Walker Mill have?
On conserved land, trails, park land and how close residents live to a park, Walker Mill is ahead of 70% of U.S. towns, #128 of 261 in Maryland. Conserved land 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 Walker Mill’s 13% is ahead of 69% of Maryland towns, while its trails per square mile lead 69% 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
The longest trail network is Walker Mill Regional Park, with 1.8 miles. Directions go to the nearest trailhead or public parking.
247 conserved acres
13% of Walker Mill’s land. Who manages Walker Mill’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 13 acres are conservation easements, usually private land. Public access isn’t recorded for 11 of 19 parcels. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Walker Mill Regional Park State Other or Unknown | Not recorded | 145 | Unknown |
| Concord Historic Site Local Park | Regional agency | 51 | Open |
| Millwood Park Local Park | Other or Unknown Local Government | 16 | Open |
| Fairfield Knolls Neighborhood Park State Other or Unknown | Not recorded | 15 | Unknown |
| Oakland Park Local Park | Regional agency | 6 | Open |
| Maryland-National Capital Park and Planning Commission Property Property - District Heights Local Other or Unknown | Not recorded | 4 | Unknown |
8 places to go in Walker Mill
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 1 playground without a name on the map. Tap “Show all on map” to see it.
1.9 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.
1 place on the National Register
The country’s official list of places worth saving (National Park Service).
The best walking months in Walker Mill: April to June 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 | 14.6 | 13.7 | 12.4 | 11.1 | 10.0 | 9.5 |
| High (°F) | 44 | 47 | 55 | 67 | 75 | 84 | 88 | 86 | 79 | 68 | 57 | 48 |
| Rain (in) | 3.0 | 2.6 | 3.9 | 3.4 | 4.2 | 4.4 | 4.6 | 4.0 | 4.4 | 3.9 | 3.1 | 3.7 |
February is the driest month (2.6 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 Walker Mill →
Walker Mill and its neighbors
Walker Mill has the most mapped trails of the 4 towns around it. 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 |
|---|---|---|---|---|---|
| Walker Mill | 13% | 0.9 | 4 | 81% | B+ |
| Capitol Heights | 3% | 0.5 | 2 | 99%+ | B |
| Forestville | 10% | 0.2 | 4 | 97% | B |
| Seat Pleasant | 6% | 1.4 | 9 | 99%+ | A |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Walker Mill
Where can I hike in Walker Mill?
The longest trail networks: Walker Mill Regional Park, 1.8 miles; Rollins Avenue Park, 0.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Walker Mill is conserved land?
13% 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 Walker Mill’s trails?
Walker Mill Regional Park and Rollins Avenue Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Walker Mill?
1.9 miles of bike routes are on the map: 0.7 of painted or protected lanes and 1.1 of shoulders and shared lanes.
Is there public land near Walker Mill?
16,488 acres of parks and open public land lie inside Walker Mill or within 10 miles of it (PAD-US), 47 of them inside the town line.
How much outdoors does Walker Mill have?
Ahead of 70% of U.S. towns on the Outdoors grade, #128 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 Walker Mill 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 →