1
Urban Forestry Center
Managed by New Hampshire Division of Forests and Lands
172 acres3.5 mi of trail
Dog rules not recorded
Outdoors · Portsmouth
Portsmouth, NH parks, trails & bike paths
About 12% of Portsmouth is conserved land, roughly 1,284 acres. There are about 21 miles of mapped trails, and the biggest networks are in Urban Forestry Center (3.5 mi), Sagamore Creek Headlands (1.5 mi), and Portsmouth Greenbelt (0.6 mi).
Conserved land, trails, parks and bike routes in Portsmouth, measured from OpenStreetMap and USGS data.
At a glance
Portsmouth outdoors
Conserved land
12%
1,284 of 10,699 acres
Trails
21 mi
1.2 mi per sq mi · 9 on conserved land
Parks & preserves
23
57 conserved acres per 1,000 residents
Bike routes
11.6 mi
5.3 mi lanes · 4.1 mi off-road paths
Conserved land is a share of the whole town area. Bike lanes are often missing from the map in smaller towns, so that number is likely low.
Map
Conserved land, trails & bike routes
Tap a number or a place below to zoom in© OpenStreetMap contributors · USGS PAD-US
Places to walk
Parks & preserves with trails
Ranked by mapped trail miles. Directions go to the nearest marked trailhead or public parking.
2
Sagamore Creek Headlands
Managed by City of Portsmouth
66 acres1.5 mi of trail
Dog rules not recorded
DirectionsTo the parking lot
3
Portsmouth Greenbelt
Managed by City of Portsmouth
181 acres0.6 mi of trail
New Hampshire Seacoast Greenway
Dog rules not recorded
DirectionsTo the parking lot
4
Prescott Park
Managed by City of Portsmouth
7 acres0.6 mi of trail
No dogsMapped in OpenStreetMap
DirectionsTo Prescott Park Lot
5
Great Bog Wildlife Management Area
Managed by NH Fish & Game
260 acres0.5 mi of trail
mud bypass
Dogs on leashMapped in OpenStreetMap
DirectionsTo Portsmouth (NH 33) Park & Ride
6
Creek Farm Reservation
Managed by Society for the Protection of New Hampshire Forests
36 acres0.5 mi of trail
Little Harbor Loop Trail
Dog rules not recorded
DirectionsTo Creek Farm Reservation
7
Community Campus
Managed by City of Portsmouth
73 acres0.4 mi of trail
Community Campus Walking Trail
Dog rules not recorded
No trailhead mapped yet
8
Wentworth-Coolidge Historic Site
Managed by NH Dept of Resources & Econ Dev
27 acres0.3 mi of trail
Little Harbor Loop Trail
Dog rules not recorded
DirectionsTo Creek Farm Reservation
All 23 parks & preserves
- Atlantic Height Playground8 ac · 0.1 mi trail · Directions
- Goodwin Park1 ac · 0.1 mi trail
- Pannaway Park4 ac
- Portsmouth Plains4 ac · Directions
- Clough Field3 ac · Directions
- Bohenko Gateway Park3 ac · Directions
- Langdon Park3 ac · Directions
- Haven Park2 ac · Directions
- Albacore Park2 ac · Directions
- Maple Haven Park2 ac · Directions
- Packer Bog Town Conservation Land1 ac
- Packer Bog Preserve1 ac
- Lafayette Playground1 ac · Directions
- Pine Street Playground1 ac
- Rock Street Playground1 ac · Directions
Who protects the land
1,284 conserved acres
Who manages it, from PAD-US. Approximate, because parcels can overlap.
Conserved doesn't always mean open to visitors. 374 acres are conservation easements, which are usually private land. Public access isn't recorded for 35 of 51 parcels. The places listed above are parks and preserves people visit.
Biking & sports
Bike routes, courts & fields
- Painted or protected bike lanes5.3 mi
- Off-road bike paths4.1 mi
- Shoulders & shared lanes2.2 mi
- New Hampshire Seacoast Greenway (bike route)3.5 mi
- East Coast Greenway (NH) (bike route)3.2 mi
Courts & fields
- Tennis30
- Pickleball16
- Basketball12
- Baseball7
- Soccer2
- Football2
- Softball2
Counts include school and college facilities, which aren't always open to the public.
Next door
Portsmouth and its neighbors
Towns whose outdoors data has been built so far.
| Town | Conserved | Trails | Parks & preserves |
|---|---|---|---|
| Portsmouth | 12% | 20.7 mi | 23 |
| New Castle | 7.6% | 0.9 mi | 2 |
| Newington | 19.2% | 8.6 mi | 6 |
| Rye | 7.8% | 14.0 mi | 10 |
| Greenland | 17.7% | 5.9 mi | 11 |
Trail talk
Conditions & tips from neighbors
No recent posts about Portsmouth's trails yet. Muddy, icy, a bridge out, where to park: a quick post helps the next person.
Sources: trails, parks, preserves, courts and bike lanes © OpenStreetMap contributors (ODbL), map data as of 2026-09-28. Conserved land: USGS Gap Analysis Project, Protected Areas Database of the United States (PAD-US). Measured against the Census town boundary.
How we measure
"Trails" are OpenStreetMap paths, bridleways, public tracks and unpaved footways, plus footways inside a park or preserve or on a named trail route. Sidewalks are left out. Areas are counted on a 20-meter grid, so overlapping parcels count once. "Conserved" includes conservation easements, which protect land from development but are usually private property. Trailheads are the nearest marked trailhead, public parking lot or information board within about 150 meters of a preserve. Dog rules come from OpenStreetMap when someone has tagged them; otherwise we show what's typical for the land manager, or say the rules aren't recorded.