Perrys Millponds Open Space
Nature preserve
38 acres
Dog rules not recorded
No trailhead mapped yet
–Not graded
Outdoors in Mill Plain
6% of Mill Plain’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. 6% of Mill Plain’s land is conserved, about 18 acres. 12 acres are parks and preserves, 6.1 per 1,000 residents.
Conserved land
6%
18 acres · of 0.5 sq mi of land
Trails
0.0 mi
0.0 per sq mi of land
Park land
12 ac
6.1 acres per 1,000 residents
Near a park
99%+
of residents within ½ mile
The map
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
Easements protect land from building but are usually private.© OpenStreetMap contributors · USGS PAD-US
Places to walk
Pick a walk
Directions go to the nearest trailhead or public parking.
Mill Hollow Park
Park
10 acres
Dog rules not recorded
No trailhead mapped yet
Mill Plain Green
Park
2 acres
Dog rules not recorded
No trailhead mapped yet
Old Fording Place
Nature preserve
1 acres
Dog rules not recorded
No trailhead mapped yet
Who protects it
18 conserved acres
6% of Mill Plain’s land. Who manages Mill Plain’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Town or city8 ac
Not recorded10 ac
Local Other or Unknown · 10 acLocal Recreation Area · 8 ac
Good to know
Conserved doesn’t always mean open to visitors. Public access isn’t recorded for 1 of 2 parcels. The walks above are places people visit.
The biggest protected parcels
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Perry's Mill Ponds Local Other or Unknown | Not recorded | 10 | Unknown |
| Mill Hollow Park Local Recreation Area | Town or city | 8 | Open |
Things to do
1 places to go in Mill Plain
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Playgrounds in Mill Plain
1 playground without a name on the map. Tap “Show all on map” to see it.
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
2Baseball
Includes school and college facilities, which aren’t always open to the public.
When to get out
The best walking months in Mill Plain: April to September
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) | 9.5 | 10.6 | 11.8 | 13.3 | 14.5 | 15.1 | 14.9 | 13.8 | 12.4 | 11.0 | 9.8 | 9.2 |
| High (°F) | 40 | 41 | 49 | 60 | 70 | 79 | 84 | 83 | 76 | 65 | 54 | 44 |
| Rain (in) | 3.6 | 3.1 | 4.3 | 4.3 | 3.9 | 4.4 | 3.9 | 4.0 | 4.6 | 4.5 | 3.8 | 4.5 |
February is the driest month (3.1 in) and July the warmest (highs of 84 °F). 4.6 inches fall in September, the wettest month. The climate in Mill Plain →
Next door
Mill Plain and its neighbors
Mill Plain has the second most mapped trails of the 2 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 |
|---|---|---|---|---|---|
| Mill Plain | — not graded: under 1,000 residents or part of its town | ||||
| Southport | — not graded: under 1,000 residents or part of its town | ||||
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Mill Plain
Are dogs allowed on Mill Plain’s trails?
Perrys Millponds Open Space and Mill Hollow Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Mill Plain?
5,782 acres of parks and open public land lie inside Mill Plain or within 10 miles of it (PAD-US), 12 of them inside the town line.
Trail talk
Conditions, parking and favorite walks from Mill Plain neighbors.
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 →