Photo: No machine-readable author provided. Masonbarge assumed (based on copyright claims). · CC BY 2.5Castine has 14 miles of mapped trails, 1.8 for every square mile of land
18% of Castine’s land is conserved, about 915 acres. 66 acres are parks and preserves, 48 per 1,000 residents. The biggest trail networks: Witherle Woods (4.1 mi), Holbrook Island Sanctuary State Park (2.1 mi), Rene Henderson Natural Area (1.5 mi).
Ahead of 93% of U.S. towns. What drives it
What kind of outdoors town is Castine?
Read from the map. The page puts what stands out first.
How much outdoors does Castine have?
On conserved land, trails, park land and how close residents live to a park, Castine is ahead of 93% of U.S. towns. All four inputs are above most U.S. towns; trail miles rank highest, the share of residents near a park lowest.
Water is more than half of Castine’s area (12 of 20 square miles), so every share here is of land; over land and water together, the conserved share would read 7%.
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 Witherle Woods, with 4.1 miles. Directions go to the nearest trailhead or public parking.
Holbrook Island Sanctuary State Park
Rene Henderson Natural Area
Hatch Cove Preserve
Greenbie Natural Area
Starr and Virginia Lampson Preserve
All 13 parks & preserves
915 conserved acres
18% of Castine’s land. Water is left out: Castine has 7.8 square miles of land and 12.2 of water, so the share counts land only. Who manages Castine’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
Conserved doesn’t always mean open to visitors. 283 acres are conservation easements, usually private land. Public access isn’t recorded for 16 of 45 parcels. The walks above are places people visit.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Witherle Woods Private Other or Unknown | Land trusts & nonprofits | 192 | Restricted |
| Holbrook Island Sanctuary State Park State Park | State parks | 110 | Closed |
| Rene Henderson Nat Area Private Other or Unknown | Land trusts & nonprofits | 109 | Closed |
| Hatch Natural Area Private Conservation | Not recorded | 98 | Unknown |
| Unknown Local Other or Unknown | Regional agency | 93 | Unknown |
| Miscellaneous Municipal Lands Local Other or Unknown | Not recorded | 92 | Unknown |
| Hatch Cove Preserve Private Conservation | Not recorded | 62 | Unknown |
| Frederick Foote Family Natural Area Private Conservation | Not recorded | 35 | Unknown |
| Dunc's Meadow Private Other or Unknown | Land trusts & nonprofits | 31 | Closed |
| Starr and Virginia Lampson Preserve Private Conservation | Land trusts & nonprofits | 21 | Restricted |
5 smaller protected places aren’t shown.
4 places to go in Castine
Beaches, playgrounds, peaks, falls and more. Pick a kind.
1 playground without a name on the map. Tap “Show all on map” to see it.
3 named trails and 4 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.
7 places on the National Register, one a National Historic Landmark
The country’s official list of places worth saving (National Park Service). The map also marks 2 historic points from OpenStreetMap: plaques, memorials and old buildings.
The best walking months in Castine: 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) | 9.2 | 10.4 | 11.8 | 13.4 | 14.8 | 15.5 | 15.2 | 14.0 | 12.4 | 10.9 | 9.5 | 8.9 |
| High (°F) | 30 | 32 | 39 | 51 | 62 | 71 | 77 | 76 | 68 | 56 | 45 | 35 |
| Rain (in) | 4.0 | 3.1 | 3.9 | 4.1 | 3.7 | 4.1 | 3.2 | 3.1 | 3.9 | 5.2 | 4.6 | 4.8 |
August is the driest month (3.1 in) and July the warmest (highs of 77 °F). 5.2 inches fall in October, the wettest month. The climate in Castine →
Castine and its neighbors
Castine has the second most mapped trails of the 6 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 |
|---|---|---|---|---|---|
| Castine | 18% | 1.8 | 48 | 77% | A |
| Brooksville | — not graded: under 1,000 residents or part of its town | ||||
| Penobscot | 7% | 0.2 | 7 | 1% | C |
| Islesboro | — not graded: under 1,000 residents or part of its town | ||||
| Stockton Springs | 8% | 0.4 | 162 | 22% | B+ |
| Searsport | 8% | 0.5 | 86 | 21% | B+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Castine
Where can I hike in Castine?
The longest trail networks: Witherle Woods, 4.1 miles; Holbrook Island Sanctuary State Park, 2.1 miles; Rene Henderson Natural Area, 1.5 miles; Hatch Cove Preserve, 0.8 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Castine is conserved land?
18% of its land, against a typical 6% for a Maine town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Castine’s trails?
Witherle Woods and Holbrook Island Sanctuary State Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Is there public land near Castine?
1,037 acres of parks and open public land lie inside Castine or within 10 miles of it (PAD-US), 66 of them inside the town line.
How much outdoors does Castine have?
Ahead of 93% of U.S. towns on the Outdoors grade. 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 Castine 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 →