Few parks or trails are on the map in Rio Oso
5.2 miles of mapped trail cross Rio Oso, 0.8 per square mile of land.
Conserved land, trails & bike routes
Tap a number to zoom to a park. Tap a layer to hide it.
11 conserved acres
under 1% of Rio Oso’s land. Who manages Rio Oso’s conserved land, from the USGS Protected Areas Database. Approximate, because parcels can overlap.
| Parcel (PAD-US) | Managed by | Acres | Public access |
|---|---|---|---|
| Bear River State Resource Management Area | State fish & wildlife | 11 | Closed |
The best walking months in Rio Oso: April and May
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) | 9.7 | 10.7 | 11.8 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.1 | 10.0 | 9.4 |
| High (°F) | 56 | 62 | 67 | 74 | 82 | 91 | 96 | 95 | 90 | 80 | 66 | 57 |
| Rain (in) | 3.9 | 3.7 | 3.0 | 1.4 | 0.9 | 0.2 | 0.0 | 0.0 | 0.1 | 0.9 | 2.0 | 3.4 |
July is the driest month (under 0.1 in) and the warmest (highs of 96 °F). 3.9 inches fall in January, the wettest month. Summer highs reach 96 °F, too hot for the outline. The climate in Rio Oso →
Rio Oso and its neighbors
Rio Oso has the second most mapped trails of the 3 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 |
|---|---|---|---|---|---|
| Rio Oso | — not graded: under 1,000 residents or part of its town | ||||
| Trowbridge | — not graded: under 1,000 residents or part of its town | ||||
| Plumas Lake | 13% | 1.8 | 100 | 94% | A+ |
The four inputs of the Outdoors grade, from the engine; shares are of land, not water.
Questions about parks and trails in Rio Oso
Is there public land near Rio Oso?
4,814 acres of parks and open public land lie inside Rio Oso or within 10 miles of it (PAD-US), almost none of it inside the town line.
Trail talk
Conditions, parking and favorite walks from Rio Oso 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 →