Photo: w:Flickr user Paul Keleher · CC BY 2.0Grafton has 45 miles of mapped trails, 2.0 for every square mile of land
1,740 acres are parks and preserves, 87 per 1,000 residents. 13% of Grafton’s land is conserved, about 1,949 acres. 96% of residents live within a half mile of a park.
Ahead of 97% of U.S. towns · #126 of 283 in Massachusetts. What drives it
What kind of outdoors town is Grafton?
Read from the map. The page puts what stands out first.
How much outdoors does Grafton have?
On conserved land, trails, park land and how close residents live to a park, Grafton is ahead of 97% of U.S. towns, #126 of 283 in Massachusetts. All four inputs are above most U.S. towns; trail miles rank highest, the share of residents near a park lowest.
Massachusetts towns conserve more land than most (a typical one, 21%; the U.S., 4%), so Grafton’s 13% is ahead of 17% of Massachusetts towns, while its trails per square mile lead 51% 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 Hennessy Land, with 1.8 miles. Directions go to the nearest trailhead or public parking.
Blackstone River Park
Blithewood Purchase
Brigham Hill Wildlife Area
Hassenamesett Woods
Marsters Preserve
Gummere Wood
George Knowlton Preserve
All 42 parks & preserves
1,949 conserved acres
13% of Grafton’s land. Who manages Grafton’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 464 acres are conservation easements, usually private land. Public access isn’t recorded for 14 of 144 parcels. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Hassanamesit Woods Local Recreation Area | Town or city | 187 | Open |
| Great Meadows Tax Title Land Local Conservation Area | Town or city | 104 | Open |
| Brigham Hill Estates Conservation Area Private Conservation | Not recorded | 94 | Open |
| Blackstone River Park Local Park | Town or city | 57 | Open |
| Quinsigamond Marsh Access State Resource Management Area | State fish & wildlife | 55 | Open |
| Conservation Area Local Other or Unknown | Town or city | 52 | Open |
| Gummere Wood Private Conservation | Not recorded | 42 | Unknown |
| Brookmeadow Village Conservation Area Local Other or Unknown | Not recorded | 41 | Open |
| Brookmeadow Village Preserve Private Conservation | Not recorded | 39 | Open |
| Marsters Preserve Private Conservation | Not recorded | 38 | Unknown |
5 smaller protected places aren’t shown.
20 places to go in Grafton
Beaches, playgrounds, peaks, falls and more. Pick a kind.
12 playgrounds without a name on the map. Tap “Show all on map” to see them.
1 picnic area without a name on the map. Tap “Show all on map” to see it.
3 named trails and 12 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.
8 places on the National Register
The country’s official list of places worth saving (National Park Service).
The best walking months in Grafton: May 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) | 9.4 | 10.5 | 11.8 | 13.3 | 14.6 | 15.2 | 15.0 | 13.9 | 12.4 | 11.0 | 9.7 | 9.1 |
| High (°F) | 35 | 38 | 46 | 59 | 70 | 78 | 83 | 81 | 74 | 62 | 51 | 40 |
| Rain (in) | 3.8 | 3.4 | 4.4 | 4.4 | 3.6 | 4.3 | 3.7 | 4.1 | 4.0 | 5.0 | 4.0 | 4.5 |
February is the driest month (3.4 in) and July the warmest (highs of 83 °F). 5.0 inches fall in October, the wettest month. The climate in Grafton →
Grafton 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 |
|---|---|---|---|---|---|
| Grafton | 13% | 2.0 | 87 | 96% | A+ |
| Upton | 21% | 4.4 | 370 | 81% | A+ |
| Westborough | 22% | 2.0 | 113 | 82% | A+ |
| Shrewsbury | 8% | 1.7 | 18 | 86% | A |
| Sutton | 18% | 2.1 | 289 | 66% | A |
| Northbridge | 17% | 2.7 | 97 | 76% | A+ |
| Millbury | 13% | 1.7 | 50 | 86% | A |
| Worcester | 11% | 1.9 | 12 | 98% | A |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Grafton
Where can I hike in Grafton?
The longest trail networks: Hennessy Land, 1.8 miles; Blackstone River Park, 1.4 miles; Blithewood Purchase, 1.4 miles; Brigham Hill Wildlife Area, 1.3 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Grafton is conserved land?
13% of its land, against a typical 21% for a Massachusetts town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Grafton’s trails?
Hennessy Land and Blackstone River Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Grafton?
38,019 acres of parks and open public land lie inside Grafton or within 10 miles of it (PAD-US), 1,915 of them inside the town line.
How much outdoors does Grafton have?
Ahead of 97% of U.S. towns on the Outdoors grade, #126 of 283 in Massachusetts. 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 Grafton 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 →