Photo: sebi ryffel from Los Angeles · CC BY-SA 2.0San Marino has 9.1 miles of mapped trails, 2.4 for every square mile of land
10% of San Marino’s land is conserved, about 241 acres. The biggest trail networks: Lacy Park (1.1 mi). 83% of residents live within a half mile of a park.
Ahead of 89% of U.S. towns · #198 of 847 in California. What drives it
What kind of outdoors town is San Marino?
Read from the map. The page puts what stands out first.
How much outdoors does San Marino have?
On conserved land, trails, park land and how close residents live to a park, San Marino is ahead of 89% of U.S. towns, #198 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 Lacy Park, with 1.1 miles. Directions go to the nearest trailhead or public parking.
241 conserved acres
10% of San Marino’s land. Who manages San Marino’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Huntington Library and Botanical Gardens Private Conservation | Land trusts & nonprofits | 206 | Open |
| Lacy Park Local Park | Town or city | 26 | Open |
| San Gabriel Cemetery Private Historic or Cultural | Land trusts & nonprofits | 7 | Open |
| The Old Mill Private Other or Unknown | Land trusts & nonprofits | 2 | Open |
33 places to go in San Marino
Beaches, playgrounds, peaks, falls and more. Pick a kind.
Plus 24 public pools without a name on the map. Tap “Show all on map” to see them.
3 playgrounds without a name on the map.
2 waterfalls without a name on the map.
2 picnic areas without a name on the map.
1 named trail and 2 lakes & rivers
1.3 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.
5 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 17 historic points from OpenStreetMap: plaques, memorials and old buildings.
The best walking months in San Marino: 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) | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.3 | 11.3 | 10.3 | 9.9 |
| High (°F) | 69 | 69 | 72 | 75 | 77 | 82 | 88 | 89 | 88 | 81 | 74 | 68 |
| Rain (in) | 3.7 | 4.4 | 2.7 | 0.9 | 0.4 | 0.1 | 0.0 | 0.0 | 0.1 | 0.6 | 1.0 | 2.6 |
August is the driest month (under 0.1 in) and the warmest (highs of 89 °F). 4.4 inches fall in February, the wettest month. Summer highs reach 89 °F, too hot for the outline. The climate in San Marino →
San Marino and its neighbors
San Marino has the second most mapped trails of the 5 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 |
|---|---|---|---|---|---|
| San Marino | 10% | 2.4 | 19 | 83% | A |
| Pasadena | 14% | 1.7 | 10 | 87% | A |
| San Gabriel | 2% | 0.8 | 1 | 83% | C+ |
| South Pasadena | 5% | 0.6 | 3 | 99%+ | B+ |
| Alhambra | 4% | 0.3 | 1 | 90% | C+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in San Marino
Where can I hike in San Marino?
The longest trail networks: Lacy Park, 1.1 miles. Each one is on the map above, with directions to the nearest trailhead or parking.
How much of San Marino is conserved land?
10% 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 San Marino’s trails?
Lacy Park and San Marino Community Center don’t have dog rules recorded on the map; check the signs at the trailhead.
Where can I bike in San Marino?
1.3 miles of bike routes are on the map: 0.7 of painted or protected lanes and 0.6 of shoulders and shared lanes.
Is there public land near San Marino?
21,320 acres of parks and open public land lie inside San Marino or within 10 miles of it (PAD-US), 238 of them inside the city line.
How much outdoors does San Marino have?
Ahead of 89% of U.S. towns on the Outdoors grade, #198 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 San Marino 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 →