Sacramento Northern Railway Historic District · Photo: LPS.1 · CC BY-SA 3.07% of Suisun City’s land is conserved, and 99% of residents live within a half mile of a park
The biggest trail networks: Lawler Ranch Park (0.5 mi), Heritage Park (0.5 mi). 2.7 miles of mapped trail cross Suisun City, 0.7 per square mile of land. 7% of Suisun City’s land is conserved, about 174 acres.
Ahead of 72% of U.S. towns · #339 of 847 in California. What drives it
What kind of outdoors town is Suisun City?
Read from the map. The page puts what stands out first.
How much outdoors does Suisun City have?
On conserved land, trails, park land and how close residents live to a park, Suisun City is ahead of 72% of U.S. towns, #339 of 847 in California. The share of residents near a park holds the grade up; park acres per resident pull it down.
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 Lawler Ranch Park, with 0.5 miles. Directions go to the nearest trailhead or public parking.
Heritage Park
Montebello Vista Park
Geopp Park
All 11 parks & preserves
174 conserved acres
7% of Suisun City’s land. Who manages Suisun City’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Sports Complex Local Recreation Area | Town or city | 73 | Open |
| Hill Slough Wildlife Area State Conservation Area | State fish & wildlife | 36 | Open |
| Heritage Park Local Park | Town or city | 11 | Open |
| Lawler Ranch Park Local Park | Town or city | 10 | Open |
| Patriot Park Local Park | Town or city | 6 | Open |
| Montebello Vista Park Local Park | Town or city | 6 | Open |
| Peterson Ranch Linear Park Local Park | Town or city | 5 | Open |
| Samuel W. Geopp Park Local Park | Town or city | 5 | Open |
| Independence Park Local Park | Town or city | 4 | Open |
| Day Park Local Park | Town or city | 4 | Open |
5 smaller protected places aren’t shown.
24 places to go in Suisun City
Beaches, playgrounds, peaks, falls and more. Pick a kind.
22 playgrounds without a name on the map. Tap “Show all on map” to see them.
2 boat launches without a name on the map.
17 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 map also marks 1 historic points from OpenStreetMap: plaques, memorials and old buildings.
The best walking months in Suisun City: April to June
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) | 9.8 | 10.7 | 11.8 | 13.1 | 14.2 | 14.8 | 14.6 | 13.6 | 12.4 | 11.1 | 10.0 | 9.5 |
| High (°F) | 57 | 62 | 67 | 72 | 78 | 86 | 89 | 89 | 86 | 78 | 66 | 57 |
| Rain (in) | 4.3 | 4.1 | 2.9 | 1.3 | 0.7 | 0.2 | 0.0 | 0.0 | 0.1 | 1.0 | 2.2 | 4.4 |
July is the driest month (under 0.1 in) and the warmest (highs of 89 °F). 4.4 inches fall in December, the wettest month. Summer highs reach 89 °F, too hot for the outline. The climate in Suisun City →
Suisun City and its neighbors
Suisun City 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 |
|---|---|---|---|---|---|
| Suisun City | 7% | 0.7 | 5 | 99% | B+ |
| Fairfield | 9% | 0.8 | 14 | 92% | A− |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Suisun City
Where can I hike in Suisun City?
The longest trail networks: Lawler Ranch Park, 0.5 miles; Heritage Park, 0.5 miles; Montebello Vista Park, 0.4 miles; Geopp Park, 0.4 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Suisun City is conserved land?
7% of its land, against a typical 4% for a California town and 4% nationally (PAD-US). Conserved doesn’t always mean open to visitors: easements are usually private land.
Are dogs allowed on Suisun City’s trails?
Lawler Ranch Park and Heritage Park don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Suisun City?
17 miles of bike routes are on the map: 8.7 of painted or protected lanes, 7.6 of off-road paths and 0.5 of shoulders and shared lanes.
Is there public land near Suisun City?
25,289 acres of parks and open public land lie inside Suisun City or within 10 miles of it (PAD-US), 144 of them inside the city line.
How much outdoors does Suisun City have?
Ahead of 72% of U.S. towns on the Outdoors grade, #339 of 847 in California. 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 Suisun City 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 →