Photo: Frank Schulenburg · CC BY-SA 3.024% of Marin City’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. 1.5 miles of mapped trail cross Marin City, 2.8 per square mile of land. 24% of Marin City’s land is conserved, about 87 acres.
Ahead of 98% of U.S. towns · #46 of 847 in California. What drives it
What kind of outdoors town is Marin City?
Read from the map. The page puts what stands out first.
How much outdoors does Marin City have?
On conserved land, trails, park land and how close residents live to a park, Marin City is ahead of 98% of U.S. towns, #46 of 847 in California. All four inputs are above most U.S. towns; trail miles rank highest, park acres per resident lowest.
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 George Rocky Graham Park, with 0.2 miles. Directions go to the nearest trailhead or public parking.
87 conserved acres
24% of Marin City’s land. Who manages Marin City’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Golden Gate National Recreation Area National Recreation Area | National Park Service | 86 | Open |
| Rocky Graham Park Local Park | County | 1 | Open |
4 places to go in Marin City
Beaches, playgrounds, peaks, falls and more. Pick a kind.
4 playgrounds without a name on the map. Tap “Show all on map” to see them.
1 named trail
0.3 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 best walking months in Marin City: April to August
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 | 14.5 | 13.6 | 12.4 | 11.1 | 10.1 | 9.5 |
| High (°F) | 56 | 59 | 61 | 63 | 65 | 69 | 70 | 71 | 72 | 69 | 62 | 56 |
| Rain (in) | 5.8 | 5.8 | 4.3 | 2.0 | 0.9 | 0.2 | 0.0 | 0.1 | 0.1 | 1.4 | 3.3 | 6.6 |
July is the driest month (under 0.1 in) and September the warmest (highs of 72 °F). 6.6 inches fall in December, the wettest month. The climate in Marin City →
Marin City and its neighbors
Marin 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 |
|---|---|---|---|---|---|
| Marin City | 24% | 2.8 | 27 | 99%+ | A+ |
| Tamalpais-Homestead Valley | 49% | 5.1 | 117 | 99%+ | A+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Marin City
Where can I hike in Marin City?
The longest trail networks: George Rocky Graham Park, 0.2 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of Marin City is conserved land?
24% 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 Marin City’s trails?
George Rocky Graham Park doesn’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in Marin City?
0.3 miles of bike routes are on the map: 0.3 of painted or protected lanes.
Is there public land near Marin City?
50,259 acres of parks and open public land lie inside Marin City or within 10 miles of it (PAD-US), 86 of them inside the town line.
How much outdoors does Marin City have?
Ahead of 98% of U.S. towns on the Outdoors grade, #46 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 Marin 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 →